WO2011158527A1 - 多線式圧着電線製造装置、多二線式圧着電線製造方法、多線式電線送給装置、端子圧着方法、及び、端子圧着装置 - Google Patents
多線式圧着電線製造装置、多二線式圧着電線製造方法、多線式電線送給装置、端子圧着方法、及び、端子圧着装置 Download PDFInfo
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- WO2011158527A1 WO2011158527A1 PCT/JP2011/053641 JP2011053641W WO2011158527A1 WO 2011158527 A1 WO2011158527 A1 WO 2011158527A1 JP 2011053641 W JP2011053641 W JP 2011053641W WO 2011158527 A1 WO2011158527 A1 WO 2011158527A1
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- electric wire
- wire
- terminal
- peeling
- crimping
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/048—Crimping apparatus or processes
- H01R43/05—Crimping apparatus or processes with wire-insulation stripping
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/048—Crimping apparatus or processes
- H01R43/052—Crimping apparatus or processes with wire-feeding mechanism
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26
Definitions
- the present invention relates to an apparatus and a method for manufacturing a terminal crimped electric wire in which a terminal is crimped to both ends of a stripped electric wire.
- the present invention relates to an apparatus and a method for manufacturing a plurality of terminal crimped electric wires in parallel on a single machine.
- the terminal crimped electric wire is manufactured through processes such as feeding the electric wire from a bundle of electric wires wound in a roll shape, peeling the coating on the tip of the electric wire, crimping the terminal to the electric wire tip, and cutting the electric wire.
- the electric wires are generally processed one by one. That is, one terminal crimping electric wire is manufactured by one process.
- Patent Document 1 For the purpose of improving productivity, an apparatus (two-wire type) that manufactures two terminal crimped wires in a single process has been proposed (see, for example, Patent Document 1), but has been widely used in the market. There is currently no such thing. The reason is as follows. For example, in the case of the apparatus proposed in Patent Document 1, two electric wires are fed by a common roller. In this case, the lengths of the two wires to be fed are basically the same. However, depending on the variation in the outer diameter of the wires and the surface condition of the coating, the length of the wires to be fed may vary, resulting in the length of the product. The accuracy may decrease or it may become a defective product.
- the tip of the wire fed out from the bundle of wires wound in a roll shape may be bent due to a bend in a rolled state. As a result, it becomes impossible to peel off the coating at the tip or to crimp the terminal well, resulting in a defective product.
- an apparatus provided with means for determining whether the terminal crimping state is good or not has been proposed (see, for example, Patent Document 2).
- this apparatus defective products can be eliminated, but it cannot be a fundamental measure against producing defective products.
- Document 1 Japanese Patent Laid-Open No. 1-2765173 relates to a technique including the problem to be solved by each invention of the present application as described above.
- Document 3 Japanese Patent Laid-Open No. 7-161432 discloses an endless belt type electric wire length measuring device. That is, in the apparatus of this document 2, as shown in FIG. 1 (summary posting diagram), the electric wire W3 is connected to the upper guide endless belt 14 (non-driven) in the figure and the lower endless belt in the figure. 3 (driving) and sent.
- the electric wire feeding device of the present application is a roller direct contact type in which an electric wire feeding roller directly contacts an electric wire.
- the endless belt type has a complicated structure, but is characterized by relatively low pressure and friction applied to the electric wire. Further, in the endless belt type electric wire feeder, there is no slip between the belt and the electric wire and between the belt and the driving pulley.
- the endless belt type and the roller direct contact type differ in the basics of the wire feeding method. Therefore, those skilled in the art do not try to combine the technique of the former document 2 and the technique of the latter document 1.
- Reference 4 Japanese Patent Laid-Open No. 2002-110309 discloses “a configuration in which two sets of rollers are driven by a single motor”. In the present application, the configuration is regarded as a feature of the present invention. This document 3 does not affect the patentability of the present invention.
- Paragraph 0033 of Document 7 Japanese Patent Application Laid-Open No. 2005-216717 describes the position adjustment in the front-rear and left-right directions of the end of the wire in the setup adjustment during teaching. This position adjustment of the end of the electric wire is in the adjustment of the setup during teaching, not in the actual processing of the electric wire.
- the present invention has been made in view of the above points, and is an apparatus for manufacturing a plurality of terminal crimped electric wires in parallel with a single machine, which increases the size of the entire apparatus, increases the apparatus weight, and the apparatus.
- An object of the present invention is to provide a multi-wire terminal crimped wire manufacturing apparatus having advantages such as being able to accurately set the wire length of each wire while suppressing an increase in price as much as possible.
- the multi-wire terminal crimped wire manufacturing apparatus of the present invention includes a wire feeding device that feeds wires, a top peeling device that peels off the coating on the tip of the wire, and a terminal on the peeled tip.
- a top terminal crimping device for crimping, a wire cutting device for cutting a wire whose terminal is crimped at the tip to an arbitrary length, a tail clamp device for gripping the rear end of the cut wire, and a cut wire A tail peeling device that peels off the coating of the rear end portion, a tail terminal crimping device that crimps a terminal to the peeled rear end portion, and a wire dispensing device with terminals crimped at both ends.
- the electric wire feeding device has two or more sets of rollers arranged in parallel that directly contact each of two or more electric wires in parallel to send the electric wires, and each of the two or more rollers is a separate one. It is driven by a motor.
- a terminal crimped wire manufacturing apparatus that crimps terminals to both ends of two or more wires
- two or more wires are sent out by separate feeding mechanisms (rollers and motors).
- the motor it is preferable to use a servo motor that is controlled in a closed loop. Since this motor feeds back the rotation angle signal measured by the built-in encoder to the control unit and controls the operation amount so as to reach the target movement amount, the movement amount can be set accurately. Accordingly, each of the electric wires can be fed by an accurate length. Further, each motor can be provided with a sensor (encoder or the like) for detecting the length of the electric wire to be sent (full closed control) separately from the built-in encoder. In this case, even when the electric wire slips, the electric wire having an accurate length can be sent.
- two or more terminal crimped electric wires having different lengths and types can be provided as a set.
- the individual motor rotational speed fine adjustment unit for finely adjusting the feed rotational speed per terminal crimped electric wire of separate motors driving the two or more sets of rollers is an operation panel of the terminal crimped electric wire manufacturing apparatus. Is preferably provided.
- the feed rotation speed can be adjusted for each line by operating the individual motor rotation speed fine adjustment section provided on the operation panel of the apparatus for each wire.
- the thickness can be made more uniform.
- the top peeling device and the tail peeling device each have two or more sets of peeling tools for peeling two or more wires in parallel
- the wire cutting device is It has two or more sets of cutting blades that cut two or more wires in parallel
- the top terminal crimping device and the tail terminal crimping device each shift two or more wires one by one. It is preferable to have a set of terminal crimping machines to be processed.
- the crimping machine is a heavy and expensive part of the terminal crimping wire manufacturing equipment.
- a general crimping machine crimps one terminal to the end of one electric wire. If this crimping machine has the same number of wires processed for top terminal crimping and tail terminal crimping, the price of the device will be greatly increased. However, the crimping machine remains in one set for top terminal crimping and tail terminal crimping, and other wire feeders, cut / strip devices, and tail clamp devices are used for multiple specifications (multiple wires are used). At the same time, it is possible to clamp, peel or cut), and for the crimping apparatus, a plurality of electric wires may be processed one by one at different times.
- the apparatus price is 1.2 to 1.5 times, and the production amount per unit time can be increased from 1.7 to 1.8 times. That is, the apparatus cost per manufacturing electric wire can be significantly reduced.
- the installation space of the apparatus is not doubled by the number of wires to be processed just because it is a multi-wire type (for example, in the case of a two-wire type, it hardly increases or is about 1.1 times).
- the electric wire cutting device, the top peeling device, and the tail peeling device are configured to be driven by a single drive source, the device can be reduced in size and space can be saved. Furthermore, it is preferable to perform the top peeling and the tail peeling at the same timing.
- the top peeling device, the tail peeling device, and the wire cutting device are separately provided in parallel.
- the blade cutting shape and the thickness of the wire cutting blade are different from those of the peeling blade.
- the cutting blade is thicker than the peeling blade.
- the blade when cutting or peeling, the blade usually contacts the electric wire at the same position of the blade, so that the blade deteriorates from this position.
- the cutting position of the blade can be adjusted or the blade can be replaced for each device. For this reason, the cut end of the electric wire is clean and does not hinder the subsequent process. Moreover, the lifetime of a blade can be lengthened.
- the electric wire feeding device also serves as an electric wire clamp of the top peeling device.
- the wire feeding device combines the work of feeding and retracting the wire drawn out from the wire bundle by a predetermined length and the work of clamping the tip of the wire, thereby reducing the size and space. Is possible.
- the payout device has two or more sets of clamp portions arranged in parallel, and the clamp portions are opened and closed independently.
- two or more electric wires can be released independently from the clamp portion. For this reason, the non-defective product and the defective product can be paid out to different product chutes, or can be paid out to different chutes for each product.
- the clamp part that clamps the defective product grips the defective product without moving and moves to the defective product position, It is preferable that the entire manufacturing apparatus is stopped.
- ⁇ Inspection of terminal crimped wires is generally done by online 100% inspection (CCD camera, image analysis, continuity inspection, etc.). If a defective product comes out, it can be put in a defective product chute (or box, etc.) and the entire apparatus can continue to operate (manufacture of a terminal crimped wire). However, it is also preferable that the operator confirms the state of the defective product when a defective product appears. It is preferable to restart the operation after removing the cause of the defect. In this aspect of the present invention, since the clamp part that clamps the defective product stops, it is easy to find out which defective line (electric wire processing system) is right and find an abnormal part.
- the multi-wire terminal crimped wire manufacturing apparatus of the present invention includes a step of feeding an electric wire, a top peeling step of peeling off the coating of the tip of the fed wire, and a terminal on the peeled tip.
- a method for producing a terminal crimped electric wire comprising: a tail terminal crimping process for crimping a terminal to a peeled rear end; and a wire discharging process for crimping a terminal at both ends, wherein the terminal crimped electric wire described above Using a manufacturing apparatus, in at least one or more of the above steps, processing is performed while feeding two or more wires in parallel.
- the method for manufacturing a terminal crimped electric wire according to the present invention includes a step of feeding an electric wire using a roller that directly contacts the electric wire and sends the electric wire, and a top peeling step of peeling a coating on a tip portion of the fed electric wire.
- a method for producing a terminal crimped electric wire comprising: a tail stripping process for peeling a coating; a tail terminal crimping process for crimping a terminal to the peeled rear end; and a wire discharging process for crimping a terminal on both ends.
- the wire feeding step two or more wires are fed in parallel using two or more rollers driven by separate motors, and the feed per terminal crimped wire of the separate motors Fine adjustment of rotation speed
- An individual motor rotation speed fine adjustment section is provided on the operation panel of the terminal crimped wire manufacturing apparatus, and the individual motor rotation speed fine adjustment section is operated even when processing wires of the same size and model number.
- the terminal crimping electric wire length of each line is made uniform.
- the multi-wire electric wire feeding device of the present invention is an electric wire feeding device that feeds two or more wires in parallel, and sends the wires in direct contact with each of the two or more wires in parallel.
- Two or more rollers arranged in parallel are provided, and each of the two or more rollers is driven by a separate motor.
- each motor can be provided with a sensor (encoder, etc.) for detecting the length of the electric wire to be sent (full-closed control) separately from the encoder built in the motor. In this case, even when the electric wire slips, the electric wire having an accurate length can be sent.
- a sensor encoder, etc.
- an individual motor rotation speed fine adjustment unit that finely adjusts the rotation speeds of separate motors that drive the two or more sets of rollers is provided on the operation panel of the wire feeder.
- the terminal crimping device of the present invention is a device for crimping a terminal to an end portion of a stripped electric wire, wherein the electric wire is clamped between a crimper and a anvil which are terminal crimping tools.
- a clamp device for feeding the end portion a position adjusting means for adjusting the height and left-right position of the clamp device, a means for imaging the end portion of the electric wire clamped by the clamp device, and a photograph taken by the imaging means Means for determining whether the end of the electric wire is in a normal clamping posture from the image of the end of the electric wire, and based on the determination of the image determining means, the end of the electric wire is The height and the horizontal position of the clamping device are adjusted so that a normal clamping posture is obtained.
- an inclination adjusting means for adjusting the inclination of the clamping device.
- the tilt adjusting means includes a nozzle that guides the tip of the electric wire from the clamping device, a nozzle holder that holds the nozzle, and the nozzle holder that is centered on a rotation axis that is orthogonal to the length direction of the electric wire. And a means for pivotally supporting, and by rotating the nozzle holder, the inclination of the tip of the electric wire guided by the nozzle can be adjusted.
- the terminal crimping method of the present invention is a method in which a terminal is crimped to the end of an electric wire from which the coating has been peeled, and the electric wire is clamped between the crimper and the anvil which are terminal crimping tools.
- the end portion is fed, the position and / or bending shape of the end portion of the electric wire is detected by image photographing / processing, and the clamp is adjusted in position and / or tilt.
- the posture of the end of the electric wire is determined, and when there is a disorder such as a bend in the attitude, the terminal crimping operation is performed after adjusting the position and inclination of the clamp so as to correct the disorder. For this reason, defective products are not produced during the terminal crimping operation.
- the roller of the wire feeding device is a pinch roller composed of a pair of unit rollers that sandwich the wire, and It is preferable that two sets of the pinch rollers are provided in the electric wire feeding direction per one electric wire.
- a relatively thick electric wire for example, a core wire diameter of 2 SQ (square mm) or more
- SQ square mm
- the terminal crimped wire manufacturing apparatus of the present invention includes: an electric wire feeding means for feeding an electric wire; an electric wire cutting means for cutting the fed electric wire into an arbitrary length; and a top for gripping the tip of the cut electric wire Clamping means, top peeling means for peeling the coating on the tip of the wire, top terminal crimping means for crimping the terminal to the peeled tip, and a tail for gripping the rear end of the cut wire Clamping means, tail peeling means for peeling the covering of the rear end of the cut electric wire, tail terminal pressing means for crimping a terminal to the peeled rear end, and an electric wire having terminals crimped at both ends
- a terminal crimping electric wire manufacturing apparatus comprising: a stripping means, wherein a duct for sucking off the stripped wire covering is attached to the peeling means, and the clamping means is connected to the peeling means. Only air nozzles for blowing air flow is characterized in that it is attached.
- strip dust may adhere to the peeling blade due to static electricity.
- the strip waste can be reliably recovered by sucking the strip waste from the air nozzle while blowing an air flow.
- the electric wire peeling apparatus of the present invention is an electric wire peeling apparatus comprising: clamping means for gripping an end portion of an electric wire; and peeling means for peeling off a coating on the end portion of the electric wire, the clamping means. Further, an air nozzle for blowing an air flow toward the peeling means is attached, and a duct for sucking off the stripped wire covering waste is attached to the peeling apparatus.
- the nozzle is disposed at a position shifted laterally in the wire feeding direction from the wire clamping position, and the clamping means moves in the lateral direction so that the nozzle is the peeling means. It is preferable to blow an air flow when it comes to the vicinity of the center.
- the method for peeling an electric wire of the present invention is a method for peeling the coating of the end portion of the electric wire, peeling the coating of the electric wire with a peeling blade, and blowing an air flow toward the peeling blade. It is characterized by sucking off the stripped wire covering debris.
- the multi-wire terminal crimped wire manufacturing apparatus of the present invention has the following effects.
- multi-line the case of “two-wire” may be described, but the same applies to the case of “three or more lines”.
- the electric wire feeder for example, when each of the two pairs of upper and lower roller pairs is driven by an independent motor, each electric wire can be fed by an accurate length. Further, the feeding lengths of the electric wires (for example, two wires) fed by the respective upper and lower roller pairs can be changed.
- a plurality of electric wires are cut and peeled at the same time and the crimping operation is performed one by one, one crimping machine is used for each.
- the production amount per unit time cannot be simply doubled, but the equipment price is 1.2 to 1.5 times, and the production amount per unit time is 1.7 times. To 1.8 times. That is, the apparatus cost per manufacturing electric wire can be significantly reduced. In addition, the installation space for the apparatus hardly increases. (3) When the cut / strip device is driven by a single drive source, the device can be further reduced in size and space. Furthermore, if the top peeling and the tail peeling are performed at the same timing, the peeling operation is performed in one operation, which is efficient. (4) When the dispensing device has two sets of clamp parts that can be opened and closed independently, the two electric wires can be released independently.
- the non-defective product and the defective product can be paid out to separate product chutes.
- the dispensing device conveys two electric wires in a parallel posture, the two electric wires do not intersect during conveyance, so that the electric wires do not get tangled and each electric wire can be conveyed to an appropriate dispensing position. .
- the crimping operation can be performed accurately even when the wire end is curved. That is, a defective product due to the bending of the wire tip is not manufactured.
- the apparatus when it has an electric wire inclination adjustment means, a more suitable crimping
- the electric wire feeder using the upper and lower roller pairs performs the feeding operation of the electric wire and the feeding operation and the clamping operation of the electric wire, the apparatus can be reduced in size and space.
- FIG. 7A is a perspective view showing the shape and positional relationship of each blade of the cutting and stripping device of FIG. 6, and FIG. 7B is a side view showing the positional relationship between the cutting blade and the guide.
- FIG. 10A is a front view of the clamp portion of the tail clamp device of FIG. 9, and FIG. 10B is a front view illustrating the opening / closing operation of the clamp portion.
- FIG. 10 is a perspective view of a clamp unit and a clamp bracket of the tail clamp device of FIG. 9.
- FIG. 10 is an exploded perspective view of a clamp unit and a clamp bracket of the tail clamp device of FIG. 9. It is a side view which shows the positional relationship of an electric wire feeder and a tail clamp apparatus. It is a side view which shows a crimping
- FIG. 17A is a front view of the clamp unit of the dispensing device of FIG. 15, and FIG. 17B is a front view for explaining the opening / closing operation of the clamp portion.
- It is a flowchart of a two-wire terminal crimping electric wire manufacturing apparatus. It is a timing chart of a two-wire terminal crimping electric wire manufacturing apparatus. It is a block diagram of the two-wire terminal crimping electric wire manufacturing apparatus of the other aspect of this invention. It is a figure which shows the example of the state which the electric wire edge part curved, FIG.
- FIG. 21 (A) is a top view
- FIG.21 (B) is a side view
- FIG.21 (B) is a side view
- FIG. 29 (A) is a side view
- FIG. 29 (B) is a front view. It is a figure explaining a strip waste removal mechanism.
- It is a top view which shows typically the whole structure of the multi-wire type (three-wire type) terminal crimping electric wire manufacturing apparatus of this invention. It is a side view of the electric wire feeder of the multi-wire type terminal crimping electric wire manufacturing apparatus of FIG. It is a top view of the electric wire feeder of the multi-wire terminal crimping electric wire manufacturing apparatus of FIG.
- FIG. 32 is a perspective view of a tail clamp device of the multi-wire terminal crimped wire manufacturing device of FIG. 31.
- the two-wire terminal crimping electric wire manufacturing apparatus 1 is cut into an electric wire feeding device 100 for feeding (feeding) and clamping an electric wire from an electric wire bundle, and a cut / strip device 200 for peeling the electric wire and stripping the coating.
- a tail clamp device 300 that clamps the rear end of the wire, a top terminal crimping device 400 that crimps a terminal to the tip of the wire clamped by the wire feeding device 100, and a tail clamp device 300.
- a tail crimping device 500 that crimps a terminal to the rear end of the electric wire, and an electric wire dispensing device 600 with terminals crimped to both ends are provided.
- the cut / strip device 200 includes a top peeling portion 220 that peels off the coating of the tip of the electric wire clamped by the electric wire feeding device 100, an electric wire cutting portion 210 that cuts the electric wire into an arbitrary length, and a tail.
- a tail peeler 230 that peels the covering of the rear end of the electric wire clamped by the clamp device 300. These are installed on the machine base 3.
- an electric wire that is cut from the electric wire bundle after being cut by the cut / strip device 200 is referred to as a cut electric wire
- an electric wire remaining in the electric wire bundle is referred to as a residual electric wire.
- the left-right direction indicates the left-right direction of the figure
- the up-down direction indicates the up-down direction of the figure.
- the wire feeding device 100 and the tail clamp device 300 are arranged in series in the direction (wire feeding direction) in which the wires W1 and W2 fed out from the two wire bundles are fed, and face each other with a predetermined interval. .
- This position is referred to as the wire feed position P0 (also referred to as the origin), and the height is referred to as the wire feed height.
- the direction on the wire bundle side is referred to as the rear direction
- the direction on the opposite wire bundle side is referred to as the front direction or the front direction.
- the wire feeding device 100 is movable in one of the directions orthogonal to the wire feeding direction (in this example, the right direction, referred to as the wire feeding device conveyance direction), and the tail clamp device 300 is in the opposite direction (in this example, It is possible to move in the left direction (referred to as the tail clamp device conveyance direction).
- the cut / strip device 200 is disposed between the wire feeding device 100 and the tail clamp device 300 at the wire feeding position P0.
- the cut / strip device 300 includes an electric wire cutting part 210, a top peeling part 220, and a tail peeling part 230, which are arranged side by side in a direction orthogonal to the electric wire feeding direction.
- the wire cutting part 210 is disposed between the wire feeding device 100 and the tail clamp device 300 (referred to as a cutting position) at the wire feeding position P0.
- the top peeling portion 210 is disposed at a position P1 (top peeling position) that is a predetermined distance away from the wire feeding position P0 in the direction of conveying the wire feeding device, and the tail peeling portion 220 is positioned in the direction of conveying the tail clamp device. It is arranged at a position P2 (tail peeling position) that is a predetermined distance away.
- the top terminal crimping apparatus 400 is disposed at a position P3 (top terminal crimping position) that is a predetermined distance away from the top peeling position P1 in the direction of movement of the wire feeder.
- the tail terminal crimping apparatus 500 is disposed at a position P4 (tail terminal crimping position) that is a predetermined distance away from the tail peeling position P2 in the tail clamp apparatus transport direction.
- the dispensing device 600 is disposed outside the tail terminal crimping position 500.
- the electric wire feeder 100 arranges and clamps the tip portions of electric wires respectively fed out from two electric wire bundles in parallel with the electric wire feeding direction, and sends out these electric wires along the electric wire feeding direction.
- the apparatus 100 mainly includes a roller unit 110 and a table 160 on which the roller unit 110 is supported so as to be movable up and down. Furthermore, an electric wire feeding device transport mechanism 180 that transports the table 160 in the device transport direction is provided.
- the roller unit 110 includes left and right roller pairs 120L and 120R (see FIG. 3) including upper and lower rollers 121 and 122, a motor 130 for driving each of the upper and lower roller pairs 120, and left and right roller support plates 140.
- the left and right upper and lower roller pairs 120L and 120R are rotatably attached to the left and right roller support plates 140L and 140R, respectively.
- the left and right roller support plates 140 are parallel to the electric wire feeding direction and are arranged on the left and right sides of the table 160 so as to face each other.
- Two arms 141 and 142 extending forward are attached to the upper portion of each roller support plate 140.
- the base ends of the arms 141 and 142 are rotatably supported by the roller support plate 140.
- a roller rotation shaft 143 (see FIG. 3) extending in a direction orthogonal to the wire feeding direction is rotatably supported at the tip of each arm 141, 142. As shown in FIG. 3, each roller rotation shaft 143 extends inward, and rollers 121 and 122 are attached to the tips of the rotation shaft 143.
- the upper and lower rollers 121 and 122 are, for example, rubber rollers having a width that is somewhat wider than the diameter of the electric wires W1 and W2.
- Gears 123 and 124 are fixed on the same axis of the upper and lower rollers 121 and 122.
- the arms 141 are parallel, the outer peripheral surfaces of the upper and lower rollers 121 and 122 are in contact with each other, but the upper and lower gears 123 and 124 are not engaged with each other.
- the height of the contact surfaces of the upper and lower rollers 121 and 122 is the wire feed height H.
- the interval between the upper and lower rollers 121 and 122 can be changed by turning the arms 141 and 142. The vertical roller interval changing mechanism will be described later.
- the distance in the left-right direction between the upper and lower roller pairs 120 supported by the left and right roller support plates 140 is preferably as narrow as possible. If the interval is wide, the size of each device increases and the weight increases, and the moving distance of the wire feeder 100 and the tail clamp device 300 increases.
- the upper and lower gears 123 and 124 are engaged with drive gears 127 and 128 that are rotatably supported by the roller support plate 140, respectively.
- the upper and lower drive gears 127 and 128 are arranged to mesh with each other.
- a pulley 129 is fixed on the same axis as the lower drive gear 128.
- the motor 130 is attached to each roller support plate 140.
- the motor 130 is a servo motor with a built-in encoder.
- the motor feeds back the rotation angle signal measured by the encoder to the control unit (semi-closed control), and controls the operation amount so as to reach the target movement amount. For this reason, the movement amount can be set accurately.
- each motor 130 may be provided with a sensor (encoder or the like) that detects the length of the wire to be sent (full-closed control) separately from the encoder built in the motor 130. In this case, since the feed length of the electric wire is measured and the motor is controlled so that the feed length becomes a target length, even when the electric wire slips, an accurate length of the electric wire can be sent. .
- the left and right roller pairs 120L and 120R can be driven by a single servo motor instead of being driven by separate motors. In this case, it is preferable to provide a mechanism that prevents the electric wire from slipping.
- a pulley 131 is fixed to the output shaft of the motor 130.
- a timing belt 133 is wound between the pulley 131 and the pulley 129 fixed to the lower drive gear 128 described above.
- the rotation of the motor 130 is transmitted to the pulley 129 via the timing belt 133 to rotate the lower drive gear 128, and thus the upper drive gear 127 is also rotated.
- the upper and lower roller gears 123 and 124 are rotated by the rotation of the upper and lower drive gears 127 and 128, and the upper and lower rollers 121 and 122 are rotated in the opposite direction. 2 and 4, when the output shaft of the motor 130 rotates in the clockwise direction, the upper roller 121 rotates in the clockwise direction and the lower roller 122 rotates in the counterclockwise direction.
- Electric wire is sent in. Conversely, when the output shaft of the motor 130 rotates counterclockwise, the upper roller 121 rotates counterclockwise and the lower roller 122 rotates clockwise, and the electric wire is drawn in the right direction from between both rollers 121 and 122. It is. When the motor 130 is stopped, the electric wire is sandwiched between the outer peripheral surfaces of the upper and lower rollers 121 and 122 and clamped. As shown in FIG. 2, a nozzle 135 through which the electric wire is inserted is attached in front of the contact surfaces of the upper and lower rollers 121 and 122.
- the upper and lower rollers 121 and 122 have both the electric wire clamping action and the electric wire feeding / retraction action, so that space is saved compared to the case where separate mechanisms are provided for each action. Is possible. Furthermore, since the two electric wires are sent out by another motor 130, the length of the electric wires to be fed can be changed by changing the operation amount of the motor 130.
- the vertical roller interval changing mechanism will be described.
- a rod 145 extending forward is supported between the upper and lower arms 141 and 142 of the roller support plate 140 so as to be slidable in the front-rear direction.
- link arms 147 and 148 that are rotatably connected to the central portions of the upper and lower arms 141 and 142 are connected to the front end of the rod 145.
- An output shaft 151 of a cylinder 150 attached to the roller support plate 140 is fixed to the rear end of the rod 145.
- the cylinder 150 has a dial 153 that adjusts the extension length of the output shaft 151.
- each roller support plate 140 is supported by being biased upward by a spring 165 with respect to the table 160.
- a pin 155 protruding inward is fixed to the inner surface of each roller support plate 140.
- left and right side plates 161 are fixed to both side surfaces of the table 160.
- a spring support plate 162 protruding rearward is fixed to the inner surface of each side plate 161.
- the spring 165 is locked between the upper surface of the spring support plate 162 and the lower surface of the spring support pin 155.
- each roller support plate 140 biased upward by the spring 165 is set so that the height between the upper and lower rollers 121 and 122 becomes a predetermined wire feed height H.
- This height is regulated by a block 167 fixed to each side end face of the table 160 and a screw 157 attached to the lower end face of each roller support plate 140.
- a groove 167 a extending in the vertical direction is formed on the outer surface of the block 167.
- the screw 157 is fitted in the groove 167 a of the block 167.
- Each spring 165 urges each roller support plate 140 upward until the upper surface of the head 157 a of the screw 157 contacts the lower surface of the block 167.
- each roller support plate 140 is supported so as to be movable in the vertical direction with respect to the table 160.
- Two slide rails 171 and 172 are attached to the inner surface of each roller support plate 140 in parallel so as to extend in the vertical direction.
- slide blocks 175 and 176 that mesh with the slide rails 171 and 172 are fixed to the outer surfaces of the side plates 161 of the table 160. With such a mechanism, each roller support plate 140 is guided in the vertical direction with respect to the table 160.
- the front slide rail 171 protrudes below the table 160 and extends.
- a dog 177 having a horizontal upper surface projects forward from the lower end of the rail 171.
- the upper surface of the dog 177 is in contact with a roller of a pressing mechanism that will be described later.
- the sinking mechanism lowers the main body portion at a predetermined speed along with the crimping so that the electric wire does not bend or bend to a middle height when crimping the terminal.
- the roller support plate 140 descends against the urging force of the spring 165, and the height of the contact surfaces of the upper and lower rollers 121, 122 (clamp height) is lowered.
- the transport mechanism 180 moves the roller unit 110 from the wire feeding position P0 to the top peeling position P1 and further to the top terminal crimping position P3 in a direction orthogonal to the wire feeding direction (wire feeding device moving direction). Is.
- the electric wire feeder conveyance mechanism 180 is attached to the lower surface of the table 160 and the conveyance rail 181 laid on the machine base 3 so as to extend in the electric wire feeder conveyance direction from the electric wire feeding position P0 to the top terminal crimping position P3. And a slider 182 that engages with the transport rail 181.
- the electric wire feeder conveyance mechanism 180 includes a motor 185, and an arm 187 for connecting the output shaft 185a of the motor 185 and the table 160 via the slider assembly 190.
- the slider assembly 190 includes a rail 191 attached to the lower surface of the table 160 and extending in parallel with the wire feeding direction, and a slider 192 that engages with the rail 191.
- the motor 185 is attached to the lower surface of the machine base 3, and the output shaft 185 a protrudes from the upper surface of the machine base 3.
- the base end of the arm 187 is fixed to the output shaft 185a.
- a shaft 187 a extending upward in the vertical direction is provided at the tip of the arm 187.
- the shaft 187 a is connected to the slider 192 of the slider assembly 190 through a bearing 189.
- the arm 187 turns along the surface of the machine base 3 about the output shaft 185a of the motor 185, and the tip of the arm 187 draws a circular orbit.
- This circular orbit includes a movement component in the apparatus conveyance direction and a movement component in the wire feeding direction. Due to the component in the apparatus conveyance direction, the table 160 moves along the conveyance rail 181 in the electric wire feeding apparatus conveyance direction.
- the slider 192 attached to the lower surface of the table 160 moves in the electric wire feeding direction along the rail 191 by the moving component in the electric wire feeding direction. However, since the slider 192 moves only with respect to the table 160, the table 160 itself does not move in the wire feeding direction.
- the roll unit 110 is transported from the wire feed position P0 to the top crimping position P3 via the top peeling position P1, and then from the top crimping position P3 to the wire feed position P9.
- the wires are crimped one by one, so the first crimping position for crimping the first wire (the wire closer to the wire feeding position P0) and the second wire.
- the second crimping position for crimping is taken.
- the two electric wires clamped to the roll unit 110 can be moved in parallel by conveying the table 160 in a straight line in this way, it is preferable because the electric wires are not bent and wrinkled.
- the cut / strip device 200 cuts the two wires clamped by the wire feeding device 100 and the tail clamp device 300 and peels the tips of the two remaining wires held by the wire feeding device 100. It peels and peels the rear-end part of the two cut electric wires currently hold
- the cut / strip device 200 includes a cutting part 210, a top peeling part 220, a tail peeling part 230, an upper and lower guide part 240, and a moving mechanism 260 for each part.
- the cutting part 210, the top peeling part 220, and the tail peeling part 230 are composed of upper and lower blades 211 and 212, 221 and 222, 231 and 232, respectively.
- the vertical guide part 240 includes an upper guide 240 and a lower guide 242.
- V-shaped blade portions 211a and 212a are formed on the lower edge of the cutting upper blade 211 and the upper edge of the lower blade 212, respectively, with a gap between the wires.
- V-shaped blade portions 221a, 231a, 222a, and 232a are provided at the lower edges of the upper blades 221 and 231 for top peeling and tail peeling and the upper edges of the lower blades 222 and 232, respectively. Is formed.
- the upper and lower guide portions 240 guide the rear end portion of the cut electric wire, and are arranged in front of the cut portion 210 in the electric wire feeding direction.
- the lower surface 241a of the upper guide 241 is a flat guide surface.
- the lower surface 241a is positioned to be higher than the bottom surface of the blade portion 211a of the cutting upper blade 211.
- two U-shaped guide grooves 242a are formed on the upper surface of the lower guide 242 with a gap between the wires.
- the bottom surface of each guide groove 242a is inclined upward in the forward direction in the wire feeding direction. Further, the bottom surface of each guide groove 242a is positioned so as to be lower than the wire feed height H and higher than the bottom surface of each blade portion 212a of the cutting lower blade 212.
- the wire feeding position P 0, the top peeling position P 1, and It is arranged at the tail peeling position P2.
- the cutting part 210 is located at the cutting position, the top peeling part 220 is located behind the cutting position, and the tail peeling part 230 is cut. It is located in front of the position.
- the upper blades 211, 221, and 231 are attached to the upper holder 251, and the lower blades 212, 222, and 232 are attached to the lower holder 252.
- the upper blades and the lower blades are attached to the holders 251 and 152 so as to have a height that is equidistant from the wire feed height H in the vertical direction.
- the interval between the upper and lower blades of the cutting portion 210 is narrower than the interval between the upper and lower blades of the peeled portions 220 and 230.
- the upper and lower holders 251 and 252 are supported by the moving mechanism 260 so as to move in the opposite direction in the vertical direction.
- the moving mechanism 260 includes an upper slider 261 to which the upper holder 251 is attached, a lower slider 262 to which the lower holder 252 is attached, and a linear rail 265 that guides the sliders 261 and 262 in the vertical direction.
- 266 a ball screw 269 with which the upper and lower sliders 261, 262 are engaged, and a motor 270 for rotating the ball screw 269. These are housed in a vertically long housing 273.
- the direction of the screw formed in the part (upper part) with which the upper slider 261 is engaged is opposite to the direction of the screw formed in the part (lower part) with which the lower slider 262 is engaged. ing.
- the upper and lower sliders 261 and 262 move along the linear rails 265 and 266 in the opposite direction in the vertical direction. Therefore, the upper and lower holders 251 and 252 move by the same distance in the approaching direction and the separating direction.
- the holders 251 and 252 are moved by a moving mechanism 260 to a fully open position where the distance between the upper and lower blades is sufficiently wide, and the upper and lower blades 221 and 212 for cutting are completely overlapped with the upper and lower blades 221 for peeling.
- the upper and lower blades 221, 222, 231, and 232 for peeling each after the half-open position where the gap is open between 222, 231 and 232 and the upper and lower blades 211, 212 for cutting completely overlap each other. It is driven to take three positions, the overlapping position of the overlapping parts. In the half-open position, the electric wire is cut by the cutting portion 210, and in the fully closed position, a cut is formed in the covering of the electric wire by the peeled portions 220 and 230.
- the lower guide 242 is attached to the upper holder 251. That is, the lower guide 242 moves together with the upper blades 211, 221 and 231.
- the upper guide 241 moves independently in the vertical direction by the cylinder 280, and brings the fed electric wire close to the height of the electric wire.
- the upper and lower guides 241 and 242 are for correcting the posture of the electric wire when the electric wire is cut.
- a vacuum pipe 290 is disposed in front of the top peeled portion 220 in the wire feeding direction so as to be movable in the front-rear direction.
- the vacuum pipe 290 is for sucking the coating that has been cut at the top peeled portion 220 and separated from the electric wire.
- the vacuum pipe 290 is disposed so that the tip is directed between the blades of the top peeled portion 220 from the front in the electric wire feeding direction.
- the cylinder 291 is attached to the housing 273 such that the output shaft 291a extends rearward in the wire feeding direction.
- the vacuum pipe 290 is attached to the output shaft 291a by a bracket 293, and is positioned at the forward movement position and the backward movement position.
- the tip of the vacuum pipe 290 In the advanced position, the tip of the vacuum pipe 290 is positioned slightly in front of each blade of the top peeled portion 220. In the retracted position, the tip of the vacuum pipe 290 is drawn to a position ahead of the entire blade in the wire feeding direction. This is to prevent the vacuum pipe 290 from interfering with the movement of the residual electric wire whose terminal is crimped to the tip.
- the top peeling portion 220, the tail peeling portion 230, and the wire cutting portion 210 are separately provided in parallel, and each portion has a pair of upper and lower blades.
- a set of blades can be used in common in the two steps of top-tail peeling and disjoint without providing the three parts 220, 230 and 210 separately.
- the blade for cutting an electric wire and the blade for peeling are different in the relief shape and thickness of the blade.
- the cutting blade is thicker than the peeling blade.
- the blade when cutting or peeling, the blade usually contacts the electric wire at the same position of the blade, so that the blade deteriorates from this position (the blade tip is worn and becomes difficult to cut).
- the cutting position of the blade can be adjusted or the blades can be replaced for each part. For this reason, the cut end and the opening end of the electric wire are always clean and do not hinder the subsequent process. Moreover, the lifetime of a blade can be lengthened.
- the tail clamp device 300 is for gripping the rear ends of the two cut wires cut by the cut / strip device 200.
- the apparatus 300 includes a clamp unit 310, a clamp bracket 340 in which the clamp unit 310 is supported so as to be movable up and down, and a table 360 in which the clamp bracket 340 is supported so as to be movable in the wire feeding direction. Is mainly provided. Furthermore, a tail clamp device transport mechanism 380 that transports the table 360 in the tail clamp transport direction is provided.
- the clamp unit 310 includes two sets of left and right clamp portions 320L and 320R, left and right cylinders 325L and 325R that open and close the clamp portions 320, and left and right longitudinally attached left and right cylinders.
- a base 329 As shown in FIG. 10 (A), the clamp unit 310 includes two sets of left and right clamp portions 320L and 320R, left and right cylinders 325L and 325R that open and close the clamp portions 320, and left and right longitudinally attached left and right cylinders.
- a base 329 is shown in FIG. 10 (A).
- Each clamp part 320 consists of left and right claw members 321 and 322 for gripping the electric wire from the left and right direction.
- each claw member 321 and 322 is a member bent in a “U” shape when viewed from the front, and an upper side portion connected at an obtuse angle at each of the central bent portions 321a and 322a. 321b and 322b and lower side portions 321c and 322c.
- the left claw member 321 has an upper side part 321b and a lower side part 321c extending in the upper left and lower left directions with respect to the bent part 321a
- the right claw member 322 has an upper side part 322b and a lower side part 322c with respect to the bent part 322a.
- the left and right claw members 321 and 322 are arranged so that the bent portions 321a and 322a are in contact with each other at the same height, and the same portion is rotated to the front surface of the base 329 by a fixing pin 324. It is mounted movably.
- the upper ends of the link arms 326 are connected to the lower ends of the lower side portions 321c and 322c of the left and right claw members 321 and 322 through movable pins.
- the lower ends of the left and right link arms 326 are connected to the upper ends of extension rods 327 fixed to the upper ends of the output shafts 325 a of the cylinders 325 attached to the base 329.
- each link arm 326 is open.
- the inner surface of the upper side portion 321b of the left claw member 321 is in contact with the inner surface of the upper side portion 322b of the right claw member 322.
- the output shaft 325a of the cylinder 325 is contracted as shown by a two-dot chain line in FIG.
- each link arm 326 is rotated so as to be closed, and each claw member 321, 322 is rotated about the fixing pin 324. That is, the left claw member 321 rotates counterclockwise about the fixed pin 324, and the right claw member 322 rotates clockwise about the fixed pin 324.
- the space between the inner surface of the upper side portion 321b of the left claw member 321 and the inner surface of the upper side portion 322b of the right claw member 322 is opened, and the clamp is released.
- the left and right clamp portions 320L and 320R are arranged so that the interval between the clamp positions (the state where the inner surfaces of the upper side portions of the left and right claw members are in contact with each other) is equal to the wire interval.
- the lower side portions 321c and 322c of the left and right claw members 321 and 322 interfere in the wire feeding direction. Therefore, as shown in FIG. 11, in the wire feeding direction, the positions of the upper sides of the claw members 321 and 322 are the same, and the position of the lower side 322c is shifted in the front-rear direction.
- the lower side portion of each claw member of the left clamp portion 320L is positioned forward
- the lower side portion of each claw member of the right clamp portion 320R is positioned rearward.
- the clamp unit 310 is supported by being suspended from the clamp bracket 340 by a spring 350 and supported so as to be movable in the vertical direction.
- FIG. 12 shows only one clamp part 320 and the base 329 for easy understanding.
- the clamp bracket 340 is a substantially box-shaped member having a bottom plate 341, left and right side plates 342L, 342R, and a front plate 343.
- a slide rail 331 extending in the vertical direction is attached to the rear surface of the base 329 of each clamp portion 320 of the clamp unit 310.
- a slide block 332 that engages with each slide rail 331 is fixed to the front plate 343 of the clamp bracket 340.
- the clamp unit 310 is guided in the vertical direction with respect to the table 360.
- the slide rails 331 of the left and right clamp portions 320 protrude downward from the clamp bracket 340.
- a dog 335 extending forward in the wire feeding direction is attached to the lower end of the rail 331.
- Each dog 335 has a horizontal top surface.
- a roller of a sinking mechanism which will be described later, abuts on the upper surface of each dog 335. Similar to the case of the wire feeder 100, the sinking mechanism lowers the clamp unit 310 at a predetermined speed along with the crimping so that the wire does not bend or bend to a middle height when crimping the terminal.
- a stay 337 extending rearward between the side plates of the clamp bracket 340 is attached to the rear surface of the lower end portion of each slide rail 331.
- a pin 345 extending inward is fixed to the inner surface of the upper portion of each side plate 342 of the clamp bracket 340. As shown in FIG. The upper end of the spring 350 is locked to the pin 345. The lower end of the spring 350 is locked to the stay 337 of each clamp part 320 of the clamp unit 310.
- the spring 350 is a tension coil spring, and the clamp unit 310 is biased upward and supported by the spring 350 with respect to the clamp bracket 340.
- the upper limit height of the clamp unit 310 urged upward by the spring 350 is set so that the clamp height of each clamp part 320 becomes the wire feed height H.
- This height is defined by a stopper pin 347 protruding inward from the inner surface of the lower part of each side plate 342 of the clamp bracket 340.
- the spring 350 urges the clamp unit 310 upward to a height at which the stay 337 of each clamp portion 320 of the clamp unit 310 contacts the lower surface of the stopper pin 347.
- the cylinder 355 is attached to the rear surface of the front plate 343 of the clamp bracket 310 so that the output shaft 355a is downward. This cylinder 355 is for moving the stay 337 of each clamp part 320 of the clamp unit 310 downward.
- a pressing portion 356 is attached to the lower end of the output shaft 355a. When the output shaft 355a is extended, the pressing portion 336 pushes down the stay 337 against the urging force of the tension coil spring 350, and the clamp portion 320 is lowered.
- the clamp bracket 340 is supported by the table 360 so as to be movable in the wire feeding direction.
- a slider 361 extending in the wire feeding direction is attached to the lower surface of the clamp bracket 340.
- a linear rail 362 with which the slider 361 engages is laid on the table 360.
- a moving mechanism 370 for moving the slider 361 of the clamp bracket 340 along the linear rail 362 is provided on the table 360.
- the moving mechanism 370 has a ball screw 371 with which the clamp bracket 340 engages, and a motor (not shown) that rotates the ball screw 371 via a pulley 372. When the ball screw 371 is rotated by the motor, the clamp bracket 34 moves in both directions of the wire feeding direction along the linear rail 362.
- the transport mechanism 380 moves the tail clamp device 300 from the wire feed position P0 to the tail peeling position P2 and further to the tail terminal crimping position P4 in a direction perpendicular to the wire feed direction (tail clamp). (Moving direction of apparatus).
- the tail clamp device transport mechanism 380 has the same configuration as the wire feeder transport mechanism 180 described above, and is mounted on the machine base 3 so as to extend from the wire feed position P0 to the tail terminal crimping position P4 in the tail clamp device transport direction.
- a laying conveyance rail 381 and a slider 382 that is attached to the lower surface of the table 360 and engages with the conveyance rail 381 are provided.
- the tail clamp device transport mechanism 380 includes a motor 385, and an arm 387 for connecting the output shaft 385a of the motor 385 and the table 360 via the slider assembly 390.
- the slider assembly 390 includes a rail 391 that is attached to the lower surface of the table 360 and extends parallel to the wire feeding direction, and a slider 392 that engages with the rail 391.
- the motor 385 is attached to the lower surface of the machine base 3, and the output shaft 385 a protrudes from the upper surface of the machine base 3.
- the base end of the arm 387 is fixed to the output shaft 385a.
- a shaft 387a extending upward in the vertical direction is provided at the tip of the arm 387.
- the shaft 387a is connected to the slider 392 of the slider assembly 390 via a bearing 389.
- the arm 387 turns around the surface of the machine base 3 around the output shaft 385a of the motor 385, and the tip of the arm 387 draws a circular orbit.
- This circular orbit includes a movement component in the apparatus conveyance direction and a movement component in the wire feeding direction. Due to the component in the apparatus conveyance direction, the table 360 moves along the conveyance rail 381 in the electric wire feeder conveyance direction. On the other hand, the slider 392 attached to the lower surface of the table 360 moves along the rail 391 in the wire feeding direction due to the moving component in the wire feeding direction. However, since the slider 392 moves only with respect to the table 360, the table 360 itself does not move in the wire feeding direction.
- the transport mechanism 380 causes the tail clamp device 300 to be transported from the wire feed position P0 to the tail crimping position P4 via the tail peeling position 2, and then from the tail crimping position P4 to the wire feed position P0.
- a first crimping position for crimping the first electric wire and a second crimping position for crimping the second electric wire are taken.
- FIG. 13 (A) The positional relationship between the wire feeder 100 and the tail clamp device 300 is shown in FIG.
- both devices 100 and 300 are arranged to face each other at the wire feeding position, and as shown in FIG. 13 (B), each pair of rolls 120 of the wire feeding device 100 is arranged.
- the clamp portions 320 of the tail clamp device 300 are coaxially positioned in the wire feeding direction.
- each roll pair 120 and each clamp part 320 are located in the same electric wire feed height H.
- FIG. 14 shows a top terminal crimping apparatus 400.
- a crimping device a commonly used one can be used (for example, Japanese Patent No. 4230534).
- This device is a device for crimping terminals supplied as a series of strips one by one to the end of an electric wire from which the coating has been stripped.
- the apparatus 400 includes a press 41030 having an elevating ram 411, an elevating side crimper 421 and a fixed side anvil 422 that are driven by the ram 411, and a slide cutter for cutting a connection portion between a terminal and a belt. 423. Description of the specific configuration and operation of the crimping apparatus 400 is omitted.
- the above-described cut / strip device 200 cuts or peels off two electric wires at the same time. In crimping, the electric wires are crimped one by one.
- the top terminal crimping device 400 is further provided with a sinking device for raising and lowering the roller unit 110 of the electric wire feeding device 100 described above.
- the tail terminal crimping device 500 is provided with a sinking device for raising and lowering the clamp unit 310 of the tail clamp device 300 described above.
- the same device 450 can be used as both sinking devices.
- FIG. 14 shows a sink device 450 on the electric wire feeder side. This sinking device 450 is configured to clamp the roller unit 110 of the wire feeding device 100 and the tail plumping device 300 of FIG. 12 when the crimper 421 is lowered and the slide cutter 423 is driven downward to cut the strip. This is for lowering the unit 310 in synchronization with the slide cutter 423.
- the crimping operation is performed while the electric wire remains in a substantially straight state, so that the electric wire is not bent at the middle or high at the base of the terminal and the tip is not bent downward.
- the crimping device 400 (500) can crimp an electric wire having a wire diameter within a certain range.
- the sinking device 450 is disposed so as to face the wire feeding device 100 and the tail clamp device 300.
- the apparatus 450 includes a roller 451 that engages with a dog 177 of the roller unit 110 of the electric wire feeder 100 (or a dog 335 of the clamp unit 310 of the tail clamp apparatus 300), and a motor 453 that rotates the roller 451. .
- the motor 453 is installed on the machine base so that the output shaft faces the wire feeding direction rearward.
- a reduction gear 454 is connected to the output shaft, and a tip plate 456 is fixed to the output shaft 454 a of the reduction gear 454.
- a protrusion 457 protruding in a direction parallel to the output shaft 454a is formed at a position off the center of the tip plate 456.
- a roller 451 is attached to the tip of the protrusion 457. The roller 451 is positioned so as to contact the upper surface of the dog 177 in the standby state (the clamp height of each device is equal to the wire feed height H).
- the motor 453 rotates, the tip plate 456 rotates together, and the roller 451 moves on an elliptical path. Along with this, the lower surface of the roller 451 pushes down the dog 177 and lowers the roller unit 110 of the wire feeder 100. For example, the motor 453 descends the roller unit 110 of the wire feeding device 100 at a predetermined speed at the timing when the crimper 421 of the crimping device 400 is lowered and the slide cutter 423 is driven downward and the cutting blade cuts the band. It is controlled to let you.
- the apparatus 600 includes a clamp unit 610 and a moving mechanism 650 of the clamp unit 610.
- the clamp unit 610 includes two sets of clamp parts 620L and 620R on the left and right sides, cylinders 627L and 627R that drive the clamp parts 620 to open and close, and a base 630 to which these are attached.
- the clamp unit 610 is arranged in the vertical direction so as to clamp the electric wire from above.
- Each clamp part 620 has left and right claw members 621 and 622 that sandwich the electric wire from both left and right sides. As shown in FIG. 17A, in each clamp portion 620, the left and right claw members 621 and 622 are rotatably supported by the base 630 by fixing pins 624. The claw members 621 and 622 are engaged with a movable pin 625 supported at the tip of an arm 628 attached to the output shaft 627a of the cylinder 627.
- each clamp unit 620 is driven by a separate cylinder 627, it can be opened and closed independently.
- the clamp unit moving mechanism 650 moves the clamp unit 610 from the tail terminal crimping position P4 to the non-defective product discharge position P5 and the non-defective product discharge position P6. Each discharge position is provided with a chute for receiving the product. At this time, each clamp part 620 of the clamp unit 610 moves while maintaining a posture (posture in FIG. 16) aligned in a direction orthogonal to the wire feeding direction.
- the moving mechanism 650 includes a motor 651, an arm 655 and a timing belt 661 that connect the output shaft 651 a of the motor 651 and the clamp unit 610.
- the motor 651 is installed on the machine base so that the output shaft 651a extends downward as shown in FIG.
- the base end of the arm 655 is fixed to the output shaft 651a.
- a shaft 631 extending in the vertical direction is erected on the upper surface of the base 630 of the clamp unit 610.
- the tip of the arm 655 is connected to the shaft 631 via a bearing 656.
- a pulley 657 is fixed to the output shaft 651a of the motor 651.
- a pulley 658 is rotatably attached to the shaft 631 of the clamp part 610 via a bearing 659.
- a timing belt 661 is wound between the pulleys 657 and 658. Since the clamp unit 610 is connected to the arm 655 by the bearing 656, the clamp unit 610 is rotatable about the shaft 631 in the vertical direction. Therefore, when the clamp unit 610 is located at the tail terminal crimping position P4, the clamp portions 620 of the clamp unit 610 are positioned by the timing belt 661 so that they are aligned in the electric wire alignment direction (direction orthogonal to the electric wire feeding direction). ing.
- the arm 655 fixed to the output shaft 651a also turns in one direction (clockwise in FIG. 15) around the output shaft 651a.
- the pulley 657 fixed to the output shaft 651a also rotates at the same time.
- the pulley 658 attached to the shaft 631 of the clamp unit 610 is rotatable with respect to the shaft 631, only the same angle in the opposite direction to the rotation direction of the pulley 657 fixed to the output shaft 651a by the timing belt 661. Rotate.
- the clamp unit 610 moves in the same posture even when the arm 655 rotates.
- the arm 655 turns at a predetermined angle from the tail terminal crimping position P4 (non-defective product delivery position P5), and the clamp unit 620 that clamps the non-defective product opens to deliver the good product, Thereafter, at a position further turned by a predetermined angle (defective product delivery position P6), the clamp unit 620 that clamps the defective product opens and delivers the defective product.
- a predetermined angle defective product delivery position P6
- each clamp part 620 of the clamp unit 610 can be opened and closed independently, even when the terminal crimped wire clamped on one clamp part is defective and the other terminal crimped cable is non-defective, etc. Each electric wire can be discharged at an appropriate discharge position.
- the wire feeder 100 and the tail clamp device 300 are positioned at the wire feed position (origin) as shown in FIG.
- the clamp part 320 is opposed to the cutting position with a predetermined interval.
- electric wires residual electric wires drawn from two electric wire bundles are clamped between the rollers of the upper and lower roller pairs.
- each clamp part of the tail clamp apparatus 300 is in an open state, and two electric wires are fed into the clamp part from the wire feeder.
- the cut / strip device 200 stands by in a fully open state in which the upper and lower blades are opened.
- each clamp part 320 of the tail clamp device 300 is closed and each electric wire is clamped.
- the upper guide 241 (see FIGS. 6 and 7) of the cut and strip device 200 is raised.
- the cut / strip device 200 is driven to the half-open position, and the two electric wires are cut. Thereby, the front-end
- the moving mechanism 370 (see FIG. 9) of the tail clamp device 300 is driven in the backward direction, and each motor 130 of the wire feeding device 100 is driven in the wire drawing direction. That is, the tip positions of the residual electric wire and the cut electric wire are slightly retracted from the cutting position. This is to prevent the end portions of each electric wire after being moved in the lateral direction (device transport direction) from coming into contact with the upper and lower cutting blades.
- the tail clamp device 300 is conveyed to the tail peeling position P2, and then at S5 (time t5), the wire feeding device 100 is conveyed to the top peeling position P1. Then, at S6 (time t6), the cut / strip device is driven to the fully closed position, and a cut is simultaneously made in the covering of the front end portion of the remaining electric wire and the rear end portion of the cut electric wire. Thereafter, at S7 (time t7), the moving mechanism 370 of the tail clamp device 300 is driven in the backward direction for a predetermined time.
- each motor 130 of the electric wire feeder 100 is driven in the electric wire drawing direction for a predetermined time.
- the similarly cut coating is separated from the electric wire.
- the vacuum pipe 290 (see FIG. 8) of the cutting and stripping apparatus 200 is performing a vacuum operation, and the separated coating is collected in the pipe.
- compression-bonding position is a position where the clamp part nearer to the electric wire feeding position P0 of each apparatus is positioned at each crimping position.
- the moving mechanism 370 of the tail clamp device 300 is driven to slightly advance the device, and each motor 150 of the wire feeding device 100 is driven in the wire feeding direction. That is, the ends of the residual electric wire and the cut electric wire slightly move forward.
- the tail terminal crimping device 500 is driven to crimp the terminal to the tip of the first cut wire.
- the clamp unit 310 of the tail clamp device 300 is used.
- the sinking device 450 descends in synchronization with the slide cutter, and crimps the electric wire in a substantially straight state. For this reason, an electric wire does not bend in the middle and high at the base of a terminal, and a front end does not bend below.
- the top sink device 450 starts to be driven at S12 (time t12)
- the top terminal crimping device 400 is driven, and the terminal is crimped to the tip of the first remaining electric wire as described above.
- the vacuum pipe 290 moves backward at S13 (time t13). This is because the tip of the vacuum pipe 290 interferes with the end of the electric wire when the remaining electric wire clamped on the electric wire feeder 100 and the terminal is crimped on the tip passes through the cut / strip device 200 in the subsequent steps. It is because it does not.
- the tail clamp device 300 is conveyed to the second tail crimping position, and then at S15 (time t15), the wire feeder 100 is conveyed to the second top crimping position.
- the tail terminal crimping device 500 is driven to crimp the terminal to the tip of the second cut wire.
- the top sink device 450 starts to be driven in S17 (time t17)
- the top terminal crimping device 400 is driven, and the terminal is crimped to the tip of the second remaining electric wire.
- the terminals are not crimped simultaneously to the tips of the two electric wires, but the terminals are crimped one by one. That is, one device for crimping a terminal to one electric wire is used.
- the terminals are crimped one by one, the working time is longer than when two terminals are crimped simultaneously.
- one terminal crimping device is provided on each of the top side and the tail side, the equipment cost is reduced. Further, the overall size of the apparatus is reduced, and the weight is reduced.
- each motor 130 of the wire feeding device 100 is driven in the wire drawing direction, and the two residual wires whose terminals are crimped to the tip slightly move backward. This is to prevent the wire terminal moving in the lateral direction (device transport direction) from coming into contact with each device.
- the moving mechanism 370 of the tail clamp device 300 is driven in the backward direction.
- the clamp unit 610 of the dispensing device 600 is positioned at this retracted position.
- each clamp portion 620 of the clamp unit 610 of the dispensing device 600 is closed, and the two cut electric wires clamped on the tail clamp device 300 are clamped.
- each clamp portion 320 of the tail clamp device 300 is opened, whereby two cut wires are transferred from the tail clamp device 300 to the dispensing device 600.
- the dispensing device 600 starts a turning operation, and the two cut electric wires transferred are conveyed to the dispensing positions P5 and P6 and are dispensed.
- the wire feeder 100 returns from the second top crimping position P3 to the origin position P0.
- each motor 150 of the wire feeder 100 is driven in the wire feeding direction for a predetermined time, and the two remaining wires are fed by a predetermined length in the wire feeding direction.
- the tail clamp device 300 has not returned to the origin position P0.
- the cylinder 355 (see FIGS. 9 and 12) of the tail clamp device 300 is driven to extend, and each clamp part 320 is lowered.
- the upper guide 241 is lowered, and the two electric wires fed from the electric wire feeder 100 at the electric wire feeding position P0 are guided downward.
- the moving mechanism 370 of the tail clamp device 300 is driven in the forward direction and returns to the origin position P0. At this time, at the wire feeding position P0, two wires are fed from the wire feeding device 100 as described above, but each clamp portion 320 of the tail clamp device 300 is conveyed in a lowered posture as described above.
- the clamp part 320 does not interfere with the electric wire being fed.
- the cylinder 355 of the tail clamp device 300 is driven to contract, and each clamp portion 320 is raised. Thereby, an electric wire fits between the claw members of each clamp part 320 of the tail clamp device 300.
- Two terminal crimping electric wires can be manufactured by the above operations.
- the manufacturing time is about 0.9 sec.
- the manufacturing time for manufacturing two electric wires having the same length in a general terminal crimped electric wire manufacturing apparatus is about 1.6 sec.
- the distal end portion of the residual electric wire clamped by the electric wire feeder 100 and the rear end portion of the cut electric wire clamped by the tail clamp device 300 are: It is provided with posture holding means 700 that determines whether or not the clamp posture is normal and corrects it to a normal posture if it is not normal. For easy understanding, the case of one electric wire will be described.
- the posture holding means 700 includes, for example, a total of four cameras 701 that capture the ends of the residual wires clamped by the wire feeder 100 and the tail clamp device 300, and images of the ends of the wires captured by each camera 701. And a determination unit 702 for determining whether or not the wire end portion is in a normal clamping posture.
- the two cameras 701 are disposed between the top peeler 220 of the cut / strip device 200 and the top terminal crimping device 400, and the other two cameras are the tail peeler 230 of the cut / strip device 200.
- the tail terminal crimping device 500 One of the two cameras placed at each position takes a picture of the wire end from either the top or bottom, and the other camera takes the wire end from either the left or right direction.
- the photographed image is sent to the determination unit 702.
- shift amount from the normal state of an electric wire tip position are determined.
- the control unit 702 controls the wire feeding device transport mechanism so that the wire feeding device 100 (or the tail clamp device 300) clamping the wire is transported to the right by the distance x1 from the normal crimping position. 180 (or tail clamp device transport mechanism 380) is controlled.
- work is performed after adjusting the position of the front-end
- the position of the tip is shifted upward by the height h1.
- the control unit 702 controls the crimping sinking device 450 so that the sinking timing is set earlier than in the normal case, and the clamp unit (roller pair) is lowered downward from the normal crimping height by the height h1.
- the crimping operation is performed so that the position of the tip of the electric wire becomes a normal crimping height.
- the position of the tip is shifted downward by a height h2.
- control unit 702 performs control so that the sinking timing of the crimping sink device 450 is delayed as compared with the normal case, and the clamp unit (roller pair) is moved to a position above the normal crimping height by the height h2.
- the crimping operation is performed so that the position of the tip of the electric wire becomes a normal height.
- the above-described wire tip position determination operation and correction operation are performed each time. For this reason, the production rate of defective products can be reduced.
- the sink timing of the sink device 450 is changed to change the wire tip portion.
- the height was adjusted.
- the inclination adjusting means 800 that adjusts the inclination of the nozzle 135 of the wire feeding device 100 and changes the height of the tip of the nozzle 135 is provided.
- the tilt adjusting means 800 includes a nozzle holder 801 that holds the nozzle 135, a spring 807 that biases the nozzle holder 801 so that the height of the nozzle 135 becomes the wire feed height H, and a means that rotates the nozzle holder 801. (Not shown).
- the nozzle 135 is fixed to the roller support plate 140.
- the nozzle 135 is attached to a nozzle holder 801 different from the roller support plate 140.
- the nozzle holder 801 is a “U” -shaped member whose top is opened when viewed from the side.
- the holder 801 is supported by a support member 803 whose rear end is fixed to the table 160 so as to be rotatable about a rotation shaft 805 extending in a direction orthogonal to the wire feeding direction.
- the nozzle 135 is attached to the tip of the holder 801.
- a spring 807 is interposed between the nozzle holder 801 and the table 160.
- the nozzle holder 801 is positioned by the spring 807 so that the nozzle 135 faces the wire feeding direction at the wire feeding height H.
- the nozzle 135 When the nozzle holder 801 is rotated counterclockwise about the rotation axis 805 by the rotation means, the nozzle 135 is inclined downward as shown by a two-dot chain line in FIG. That is, the tip position of the electric wire moves downward. As shown in FIG. 21B, when the tip of the wire is curved upward, the nozzle 135 is inclined downward by a predetermined angle in this way, and the height of the wire tip is set to the wire feed height H. Can be adapted to
- FIG. 23 is a block diagram showing a control system of the terminal crimped electric wire manufacturing apparatus.
- the wire feeding device 100, the cut / strip device 200, the tail clamp device 300, the top terminal crimping device 400, the tail terminal crimping device 500 and the dispensing device 600 are electrically connected to the control unit 1000.
- a control panel 1001 shown in FIG. 24 is connected to the control unit 1000.
- the wire feeder 100 of the terminal crimped wire manufacturing apparatus of the present invention feeds two wires using different motors 130, so the control unit 1000 includes each motor 130.
- a corresponding motor rotation speed adjustment unit 1130 is provided. The rotation speed of each motor 130 is adjusted by a corresponding motor rotation speed adjustment unit 1130.
- the control panel 1001 includes an operation mode selection part, a lot number of the electric wire, an electric wire length of the manufactured terminal crimping electric wire, a strip length at the top and tail side end portions, a crimping depth, and An input section for the amount of sinking is shown.
- a numeric keypad is displayed, and a desired numerical value is input from the keypad. For example, when manufacturing terminal crimped wires of different lengths, touch the item “D1” of “Electric wire A”, enter one length with the displayed numeric keypad, and then set the item “D2” of “Electric wire B”. Touch to enter the other length.
- the motor rotation number adjustment unit 1130 of the control unit 1000 calculates the motor rotation number corresponding to each length, and sends the calculated rotation number to each motor 130.
- Each motor 130 is driven according to the number of rotations sent, and sends out a corresponding length of electric wire from each pair of upper and lower rollers 120.
- the Cp value is a process capability index indicating the relationship between the standard width and variation, and is a value obtained by dividing the standard width by six times the standard deviation.
- the degree of bias is a value that becomes zero when there is no bias in the average value of the manufacturing results, and approaches 1 as the value shifts.
- the Cpk value is the product of Cp and (1-K), and the larger the value, the smaller the variation and the closer to the standard center value.
- the correction amount (%) estimated from the item D2 of the wire length correction value of the panel 1001 (in this example, “correction value (wire B)”) is set. I input it. In this example, the correction amount (%) is set to 0.02. Correction was not performed on the one-side electric wire. The results are shown in Table 2.
- the wire feeding device of this example is also arranged to clamp the tip portions of the wires respectively fed out from the two wire bundles in parallel with the wire feeding direction and to feed these wires along the wire feeding direction. It has substantially the same structure as the wire feeding device shown in FIGS. However, the structure of the roller unit 110A is different from the structure of the roller unit 110 of the wire feeding device shown in FIGS. 2 to 5 and is improved so as to be compatible with a wire having a large wire diameter. Parts and parts having the same operation and configuration as the roller unit of FIGS. 2 to 5 are denoted by the same reference numerals as in FIGS.
- the roller unit 110A of the electric wire feeder of this example includes a left and right rear roller pair 120A composed of upper and lower rollers 121 and 122 having the same structure in addition to the left and right front roller pair 120 composed of upper and lower rollers 121 and 122. . That is, the roller pairs 120 and 120A for clamping and feeding out one electric wire are arranged side by side in the electric wire feeding direction.
- FIG. 26 shows a pair of front and rear rollers 120 and 120A for feeding one electric wire W, and a motor 130 for driving these roller pairs.
- the front and rear roller pairs 120 and 120A are composed of upper and lower rollers 121 and 122, respectively, and are arranged at a predetermined interval in the wire feeding direction.
- Gears 123 and 124 are fixed to the upper and lower rollers 121 and 122 on the same axis.
- the upper and lower rollers 121 and 122 of the pair of front and rear rollers 120 and 120A are set so that the contact surface becomes the wire feed height H. In this state, the upper and lower gears 123 and 124 are not engaged with each other.
- Vertical drive gears 127 and 128 are disposed between the pair of front and rear rollers 120 and 120A.
- the upper drive gear 127 meshes with each upper gear 123
- the lower drive gear 128 meshes with each lower gear 124. Further, the vertical drive gears 127 and 128 mesh with each other.
- a pulley 129 is fixed on the same axis as the lower drive gear 128.
- a timing belt 133 is wound between the pulley 129 and a pulley 131 fixed to the output shaft of the motor 130.
- the motor 130 When the motor 130 is rotated, it is transmitted to the pulley 129 via the timing belt 133 to rotate the lower drive gear 128, and thus the upper drive gear 127 is also rotated.
- the upper and lower roller gears 123 and 124 of the pair of front and rear rollers are rotated by the rotation of the upper and lower drive gears 127 and 128, and the upper and lower rollers 121 and 122 are rotated in the opposite direction.
- FIG. 25 when the output shaft of the motor 130 rotates clockwise, the upper roller 121 of the front and rear roller pair 120, 120A rotates clockwise and the lower roller 122 rotates counterclockwise. From left to right.
- the mechanism described with reference to FIG. 5 can be adopted as the upper and lower roller interval changing mechanism of the front and rear roller pair 120, 120A.
- the terminal crimped wire manufacturing apparatus of this example is improved so that the coating (strip waste) stripped by the cut and strip apparatus can be more reliably collected from the apparatus.
- strip scraps are dropped and collected from the apparatus after being peeled off, but may stick to the blades of the peeled portions due to static electricity or the like. If the strip waste remains stuck to the blade, there is a risk that the feeding of the electric wire may be hindered or the movement of the apparatus may be interfered. Therefore, in the terminal crimped electric wire manufacturing apparatus of FIG. 1, as shown in FIG. 8, a vacuum pipe is provided to suck strip waste. In this example, improvements were made so that strip waste could be collected more reliably in addition to the vacuum pipe.
- the top-side strip scrap recovery mechanism includes an air nozzle 137 attached to the front surface of the wire feeding device 100 shown in FIG. 27, and a vacuum pipe 290 attached to the top peeled portion of the cut-strip device shown in FIG. Have
- the air nozzle 137 is attached at a predetermined interval to the side of the nozzle 135 through which the electric wire is inserted in the apparatus transport direction.
- the air nozzle 137 extends forward in the electric wire feeding direction.
- An air tube 138 extending from a compressed air source is connected to the nozzle 137.
- the vacuum pipe 290 is disposed in front of the top peeled portion 220 in the electric wire feeding direction so as to be movable in the front-rear direction.
- the tip of the vacuum pipe 290 is disposed so as to be directed between the blades of the top peeled portion 220 from the front in the wire feeding direction. That is, the air nozzle 137 and the vacuum pipe 290 are opposed to each other in the electric wire feeding direction with the top peeled portion 220 interposed therebetween, and are shifted in the apparatus conveyance direction.
- the tail-side strip scrap collecting mechanism includes an air nozzle 353 attached to the front surface of the tail clamp device 300 shown in FIG. 28 and a vacuum chute 235 attached to the tail peeling portion 230 of the cut strip 200 device shown in FIG. And have.
- the air nozzle 353 is attached to the side of the clamp device 300 at a predetermined interval on the side of the device conveyance direction.
- the air nozzle 353 is opened at the same height position as the clamp part 320 in the direction opposite to the wire feeding direction.
- the nozzle 353 is connected to an air tube (not shown) extending from a compressed air source.
- the vacuum chute 235 is arranged behind the tail peeling portion 230 in the wire feeding direction. At the tip of the vacuum chute 235, an opening 235a that opens in the wire feeding direction is formed. The width of the opening 235 a is wider than the interval between the cut portions of the upper and lower blades 231 and 232 of the peeled portion 230.
- the chute 235 is connected to a negative pressure source. Also in this case, the air nozzle 353 and the vacuum chute 235 are opposed to each other in the electric wire feeding direction with the tail peeling portion 230 interposed therebetween, and are shifted in the apparatus conveyance direction.
- FIG. 31 shows a simplified strip scrap recovery mechanism on the top side.
- FIG. 30A shows a state in which the tip end of the electric wire W is peeled off by the top peeling portion 220.
- the nozzle 135 of the electric wire feeder 100 and the vacuum pipe 290 are opposed to each other with the top peeled portion 220 interposed therebetween. Then, the top side end portion of the electric wire W fed out from the nozzle 135 is peeled off by the top peeling portion 220. Even after the stripping, the strip scrap S sticks to the blade of the top peeled portion 220.
- the wire feeding device 100 moves in the device transport direction toward the top terminal crimping machine. Then, when the air nozzle 137 reaches a position facing the vacuum pipe 290, air is blown from the air nozzle 137 toward the vacuum pipe 290 as shown in FIG. With this air flow, as shown in FIG. 30 (C), the strip scraps S attached to the blade are separated from the blade and sucked into the vacuum pipe 290. In this way, not only suction but also air flow is blown, so that strip waste can be easily separated from the blade, and can be reliably collected in the vacuum pipe 290.
- the openings of the vacuum pipe 290 and the vacuum chute 235 are preferably as wide as possible so that the strip waste can be sucked without being scattered. Further, as described with reference to FIG. 8 and the like, in the top side strip waste recovery mechanism, two vacuum pipes 290 are used so as to face each blade of the top peeled portion 220. Similarly, it may be a single vacuum chute having an opening facing each blade.
- the three-wire terminal crimped electric wire manufacturing apparatus 1A is the same as the two-wire terminal crimped electric wire manufacturing apparatus described in FIG. 1 and the like, and includes an electric wire feeding device 100A, a cut / strip device 200A, A tail clamp device 300A, a top terminal crimping device 400, a tail terminal crimping device 500, and a dispensing device 600A are provided.
- the wire feeder 100A, the cut / strip device 200AA, the tail clamp device 300, and the payout device 600A correspond to the number of wires (three in this example), but the top terminal crimping device 400 and the tail terminal crimping device. 500 corresponds to one electric wire as in the apparatus of FIG. Since the basic structure and operation of each part and each device are the same as those of the two-wire device of FIG. 1, detailed description thereof is omitted.
- FIG. 32 is a side view of the wire feeding device
- FIG. 33 is a plan view of the wire feeding device.
- 100 A of wire feeders arrange
- the apparatus 100A mainly includes a roller unit 110 and a table 160 on which the entire roller unit 110 is supported so as to be vertically movable. Furthermore, an electric wire feeding device transport mechanism 180 that transports the table 160 in the device transport direction is provided.
- the roller unit 110 includes three sets of roller pairs 120 including upper and lower rollers 121 and 122, a motor 130 for driving each of the upper and lower roller pairs 120, and a support plate 140 on which these are mounted.
- Each roller pair and motor have the same configuration as the two-wire terminal crimped wire manufacturing apparatus of FIG. However, as shown in FIG. 33, the motors 130 are shifted in the vertical direction so that the nozzles 135 fed from each roller pair 120 are arranged at equal intervals in the apparatus conveyance direction so as not to overlap in the apparatus conveyance direction. Has been.
- the size of the roller unit 110 can be reduced by devising the arrangement of the motor 130 so that the nozzles 135 can be arranged at equal intervals.
- the roller unit 110 is supported so as to be movable in the vertical direction with respect to the table 160.
- a dog 177 having a horizontal upper surface is attached to the roller unit 110 so as to protrude forward.
- the roller of the sinking mechanism is brought into contact with the upper surface of the dog 177.
- the roller unit 110 is lowered, and the contact surface height (clamp height) of the upper and lower rollers 121 and 122 is lowered.
- each roller pair is supported so as to be independently movable in the vertical direction.
- the entire roller unit 110 is It can also be supported movably. In this case, when the terminal of one electric wire is crimped, the entire roller unit is lowered and the terminal is crimped to the electric wire clamped by the corresponding roller pair.
- each of the cutting part 210, the top peeling part 220, and the tail peeling part 330 has three blade parts.
- the top terminal crimping device 400 and the tail terminal crimping device 500 are devices for crimping the terminals one by one, like the device of FIG.
- the tail clamp device 300A mainly includes a clamp unit 310, a clamp bracket 340 on which the clamp unit 310 is supported so as to be movable up and down, and a table on which the clamp bracket 340 is supported so as to be movable in the electric wire feeding direction. Furthermore, a tail clamp device transport mechanism for transporting the table in the device transport direction is provided.
- the clamp unit 310 includes three sets of clamp units 320 arranged in the apparatus conveyance direction, and a cylinder 325 that opens and closes each clamp unit 320.
- the dispensing device 600A can have three sets of clamps arranged in the device conveyance direction.
- the heavy and expensive crimping machines 400 and 500 are of a single specification, and the wire feeder 100A, the cut / strip device 200A, the tail clamp device 300A and the dispensing device 600A are used for three.
- the specifications are as follows. That is, wire feeding, cutting, peeling, and dispensing are performed at the same time, and crimping is performed one by one at different times.
- the device price is 1.7 times to 1.8 times that of a single terminal crimped wire manufacturing device, and the production amount per unit time can be increased from 2.2 times to 2.3 times.
- the installation space for the apparatus is about 1.2 times that for one apparatus.
Abstract
Description
文献1(特開平1-276513号公報)は、上述のとおり、本願各発明が解決しようとしている問題を含む技術に関する。
さらに、各モータに、内蔵されているエンコーダとは別に、送られる電線の長さを検出するセンサ(エンコーダなど)を設けることもできる(フルクローズド制御)。この場合、電線がスリップした場合などにおいても、正確な長さの電線を送ることができる。
(1)電線送給装置で、例えば2組の上下ローラ対の各々を独立したモータで駆動させる場合には、各電線を正確な長さだけ送り込みできる。また、それぞれの上下ローラ対で送られる電線(例えば2本)の送り込み長さをそれぞれ変えることもできる。
(2)複数本の電線を同時に切断及び皮むき作業を行い、圧着作業は1本ずつ行う場合には、圧着機をそれぞれに1台とする。例えば2線式の場合、単位時間当たりの生産量を単純に2倍とすることはできないが、装置価格は1.2倍から1.5倍ですみ、単位時間当り生産量を1.7倍から1.8倍にすることができる。すなわち、製造電線一本当りの装置コストを大幅に下げることができる。また、装置の設置スペースもほとんど増えない。
(3)カット・ストリップ装置を1個の駆動源で駆動する場合には、さらに、装置の小型化や省スペース化が可能である。さらに、トップ皮むきとテール皮むきとを同じタイミングで行えば、皮むき動作が1回の作業で行われるため効率的である。
(4)払い出し装置が独立して開閉される二組のクランプ部を有する場合、2本の電線を独立して解放することができる。例えば、片方が良品でもう片方が不良品の場合、良品と不良品とを別々の製品シュートに払い出すことができる。
(5)払い出し装置が、2本の電線を平行姿勢のままで搬送する場合、搬送中に2本の電線が交差しないので電線同士が絡まることがなく、各電線を適切な払い出し位置に搬送できる。
(6)圧着前に電線先端部の位置を正常な位置に調整する場合には、電線端部が湾曲している場合にも、正確に圧着作業を行うことができる。つまり、電線先端部の湾曲による不良品が製造されない。さらに、電線傾き調整手段を有する場合、より適切な圧着作業を行うことができる。
(7)上下のローラ対を使用した電線送給装置が、電線の送り込み・引き込みのフィード動作と電線のクランプ動作を行う場合、装置の小型化・省スペース化が可能である。
まず、図1を参照して、本発明の多線式端子圧着電線製造装置の全体の構成を説明する。この例では、2本の端子圧着電線を製造する二線式端子圧着電線製造装置について説明する。
二線式端子圧着電線製造装置1は、電線束から電線を送給する(送り込む)とともにクランプする電線送給装置100と、電線の切断及び被覆を皮むきするカット・ストリップ装置200と、切断された電線の後端部をクランプするテールクランプ装置300と、電線送給装置100にクランプされている電線の先端部に端子を圧着するトップ端子圧着装置400と、テールクランプ装置300にクランプされている電線の後端部に端子を圧着するテール圧着装置500と、両端に端子が圧着された電線の払い出し装置600と、備える。カット・ストリップ装置200は、電線送給装置100にクランプされている電線の先端部の被覆を皮むきするトップ皮むき部220と、電線を任意の長さに切断する電線切断部210と、テールクランプ装置300にクランプされている電線の後端部の被覆を皮むきするテール皮むき部230と、を備える。これらは機台3上に設置されている。
以降、カット・ストリップ装置200で切断後に電線束から切り離される電線を切断電線、電線束に残る電線を残留電線という。
また、以降の説明において左右方向とは図の左右方向を示し、上下方向とは図の上下方向を示す。
電線送給装置100は、電線送り方向と直交する方向の一方(この例では右方向、電線送給装置搬送方向という)に移動可能であり、テールクランプ装置300は、その逆方向(この例では左方向、テールクランプ装置搬送方向という)に移動可能である。
テール端子圧着装置500は、テール皮むき位置P2からテールクランプ装置搬送方向に所定の距離離れた位置P4(テール端子圧着位置)に配置されている。
払い出し装置600は、テール端子圧着位置500の外側に配置されている。
電線送給装置100は、2個の電線束から各々繰り出された電線の先端部を電線送り方向に平行に並べてクランプするとともに、これらの電線を電線送り方向に沿って送り出すものである。同装置100は、図2に示すように、ローラユニット110と、ローラユニット110が上下移動可能に支持されるテーブル160と、を主に備える。さらに、テーブル160を装置搬送方向に搬送する電線送給装置搬送機構180を備える。
なお、上下ローラ121、122間の間隔は、各アーム141、142を旋回させることによって変更することができる。上下ローラ間隔変更機構については後述する。
さらに、各モータ130に、モータ130に内蔵されているエンコーダとは別に、送られる電線の長さを検出するセンサ(エンコーダなど)を設けることもできる(フルクローズド制御)。この場合、電線の送り長さを測定して、送り長さが目的の長さとなるようにモータを制御するので、電線がスリップした場合などにおいても、正確な長さの電線を送ることができる。
なお、左右のローラ対120L、120Rを別々のモータで駆動する替わりに、1台のサーボモータで駆動することもできる。この場合は、電線がスリップしないような機構を設けることが好ましい。
図2に示すように、上下ローラ121、122の接触面の前方には、電線が挿通されるノズル135が取り付けられている。
さらには、2本の電線を別のモータ130で送り出すので、モータ130の動作量を変えることによって、送り込まれる電線の長さを変更することができる。
図2、図3に示すように、ローラ支持プレート140の、上下のアーム141、142の間には、前方に延びるロッド145が、前後方向にスライド可能に支持されている。図5に拡大して示すように、ロッド145の前端には、上下アーム141、142の中央部に回転可能に連結するリンクアーム147、148が連結されている。ロッド145の後端には、ローラ支持プレート140に取り付けられたシリンダ150の出力軸151が固定されている。シリンダ150は、出力軸151の伸長長さを調整するダイヤル153付きのものである。
各ローラ支持プレート140は、テーブル160に対してばね165によって上方に付勢されて支持されている。図3にわかりやすく示すように、各ローラ支持プレート140の内面には、内方向に突き出たピン155が固定されている。一方、テーブル160の両側面には左右の側板161が固定されている。そして、各側板161の内面には、後方に突き出たばね支持プレート162が固定されている。ばね165は、このばね支持プレート162の上面とばね支持ピン155の下面との間に係止されている。これらのばね165により、各ローラ支持プレート140は、テーブル160に対して上方に付勢されて支持される。
同搬送機構180は、ローラユニット110を、電線送り位置P0から、トップ皮むき位置P1、さらに、トップ端子圧着位置P3へ、電線送り方向と直交する方向(電線送給装置移動方向)に移動させるものである。電線送給装置搬送機構180は、電線送り位置P0からトップ端子圧着位置P3まで、電線送給装置搬送方向に延びるように機台3上に敷設された搬送レール181と、テーブル160の下面に取り付けられた、搬送レール181に係合するスライダ182を備える。
カット・ストリップ装置200は、電線送給装置100及びテールクランプ装置300でクランプされた2本の電線を切断するとともに、電線送給装置100に把持されている2本の残留電線の先端部の皮むきを行い、テールクランプ装置300に把持されている2本の切断電線の後端部の皮むきを行うものである。
切断部210、トップ皮むき部220、テール皮むき部230は、各々、上下の刃211と212、221と222、231と232からなる。上下ガイド部240は上ガイド240と下ガイド242からなる。
トップ皮むき用及びテール皮むき用上刃221、231の下縁と、下刃222、232の上縁にも、各々V字型の刃部221a、231a、222a、232aが電線間隔を開けて形成されている。
一方、下ガイド242の上面には、2個のU字状のガイド溝242aが、電線間隔を開けて形成されている。各ガイド溝242aの底面は、電線送り方向において前方に向かって上方に傾斜している。また、各ガイド溝242aの底面は、電線送り高さHよりも低く、かつ、切断用下刃212の各刃部212aの底面よりも高い位置となるように位置決めされている。
一方、上ガイド241は、シリンダ280によって上下方向に単独で移動し、送り込まれた電線を電線高さに近づける。
テールクランプ装置300は、カット・ストリップ装置200で切断された2本の切断電線の後端部を把持するためのものである。同装置300は、図9に示すように、クランプユニット310と、クランプユニット310が上下移動可能に支持されるクランプブラケット340と、クランプブラケット340が電線送り方向に移動可能に支持されるテーブル360と、を主に備える。さらに、テーブル360をテールクランプ搬送方向に搬送するテールクランプ装置搬送機構380を備える。
クランプを解除する場合は、図10(B)の二点鎖線で示すように、シリンダ325の出力軸325aを収縮させる。すると、各リンクアーム326は閉じるように回動して各爪部材321、322を固定ピン324を中心として回動させる。つまり、左爪部材321が固定ピン324を中心にして反時計方向に回動し、右爪部材322が固定ピン324を中心にして時計方向に回動する。この結果、左爪部材321の上辺部321bの内側の面と、右爪部材322の上辺部322bの内側の面との間が開いて、クランプが解除される。
なお、前述のように、左右のクランプ部320の爪部材の下辺部の位置を前後方向にずらしたことにより、前板343の左クランプ部320Lを取り付ける面と、右クランプ部320Rを取り付ける面とが、前後方向にずれている。
同搬送機構380は、テールクランプ装置300を、図1に示すように、電線送り位置P0から、テール皮むき位置P2、さらに、テール端子圧着位置P4へ、電線送り方向と直交する方向(テールクランプ装置搬送方向)に移動させるものである。テールクランプ装置搬送機構380は、前述の電線送給装置搬送機構180と同じ構成を有し、電線送り位置P0からテール端子圧着位置P4まで、テールクランプ装置搬送方向に延びるように機台3上に敷設された搬送レール381と、テーブル360の下面に取り付けられた、搬送レール381に係合するスライダ382と、を備える。
図13(A)に示すように、両装置100、300は電線送り位置において対向するように配置されており、図13(B)に示すように、電線送給装置100の各ロール対120が、テールクランプ装置300の各クランプ部320同士が電線送り方向において同軸上に位置している。また、各ロール対120と各クランプ部320は同じ電線送り高さHに位置している。
圧着装置としては、一般に使用されているものを使用できる(例えば、特許4230534)。この装置は、被覆の剥ぎ取られた電線端部に、一連の帯体として供給される端子を一個ずつ圧着する装置である。同装置400は、昇降ラム411を有するプレス41030と、ラム411によって駆動される、圧着工具である昇降側クリンパ421及び固定側アンビル422、並びに、端子と帯体との接続部を切断するスライドカッター423を備える。この圧着装置400の具体的な構成や作用については説明を省略する。前述のカット・ストリップ装置200は、2本の電線を同時に切断あるいは皮むきするものであったが、圧着においては、電線を1本ずつ圧着する。
払い出し装置600は、テール圧着装置500で2本の電線の後端部に端子が圧着された後に、これらの電線をテールクランプ装置300から受け取って、テールクランプ位置P4から払い出し位置P5、P6に搬送するためのものである。同装置600は、クランプユニット610と、クランプユニット610の移動機構650と、を有する。
クランプを解除する場合は、図17(B)に示すように、シリンダ627の出力軸627aを収縮させる。すると、可動ピン625が上昇して、左右の爪部材621、622が各々固定ピンを中心にして反対方向に回動し、左右の爪部材621、622が開く。
クランプユニット移動機構650は、クランプユニット610を、図15に示すように、テール端子圧着位置P4から、良品排出位置P5及び良不品排出位置P6へ移動させるものである。各排出位置には、製品を受け取るシュートが備えられている。この際、クランプユニット610の各クランプ部620は、電線送り方向と直交する方向に並んだ姿勢(図16の姿勢)を保ったまま移動する。同移動機構650は、モータ651と、モータ651の出力軸651aとクランプユニット610とを連結するアーム655及びタイミングベルト661とを有する。
S0の待機状態(タイミングチャートの時刻t0)においては、電線送給装置100とテールクランプ装置300は図13で示すように電線送り位置(原点)に位置し、左右の上下ロール対120と左右のクランプ部320とが切断位置に対して所定の間隔を開けて対向している。電線送給装置100には、2個の電線束から繰り出された電線(残留電線)が各上下ローラ対のローラ間にクランプされている。一方、テールクランプ装置300の各クランプ部は開いた状態で、同クランプ部に2本の電線が電線送給装置から送り込まれている。カット・ストリップ装置200は、上下の刃が開いた全開状態で待機している。
ただし、2本の電線に同時に端子を圧着できる端子圧着装置や、トップ側とテール側にそれぞれ2台の端子圧着装置を使用することもできる。
この実施形態の二線式端子圧着電線製造装置1は、電線送給装置100でクランプされている残留電線の先端部、及び、テールクランプ装置300でクランプされている切断電線の後端部が、正常なクランプ姿勢かどうかを判定し、正常でない場合は正常な姿勢に補正する姿勢保持手段700を備える。わかりやすく説明するために、電線1本の場合を説明する。
なお、1台のカメラで電線の端部を斜め上部から撮影するなどにより電線端部の上下方向及び左右方向のずれを認識できるようにすれば、各位置に配置するカメラを1台とすることもできる。
一方、図21(C)に示す垂直面画像の場合、先端の位置が、下方向に高さh2だけずれている。この場合は、制御部702が、圧着沈み装置450の沈みタイミングを正常の場合よりも遅くするように制御し、クランプ部(ローラ対)が正常な圧着高さから高さh2だけ上方の位置に降下したときに、電線の先端の位置が正常な高さとなるようにして圧着作業を行う。
前述の例では、図21(B)、(C)で示すような、電線先端の位置が上下方向において正常位置からずれていた場合に、沈み装置450の沈みタイミングを変更して電線先端部の高さを調整していた。この例では、沈み装置450ではなく、電線送給装置100のノズル135の傾きを調整してノズル135の先端の高さを変更する傾き調整手段800を有する。
図23は、端子圧着電線製造装置の制御システムを示すブロック図である。
電線送給装置100、カット・ストリップ装置200、テールクランプ装置300、トップ側端子圧着装置400、テール側端子圧着装置500及び払い出し装置600は、制御部1000と電気的に接続されている。制御部1000には、図24に示す制御パネル1001が接続されている。
例えば、異なる長さの端子圧着電線を製造する場合は、“電線A”の項目D1をタッチして、表示されたテンキーで一方の長さを入力し、その後、“電線B”の項目D2をタッチしてもう一方の長さを入力する。すると、制御部1000のモータ回転数調整部1130では各長さに対応したモータの回転数が計算され、計算された回転数が各モータ130に送られる。各モータ130は送られた回転数に応じて駆動され、各上下ローラ対120から対応する長さの電線を送り出す。
まず、最初に、2台のモータを同条件で駆動させた場合に製造された2本の電線(1側電線及び2側電線という)の電線長を計測した。計測された値のCpk値を求め、Cpk値が1.67以上かどうかを判定し、Cpk≧1.67の場合OKとした。結果を表1に示す。表中、Cp値とは、規格幅とバラツキの関係を示す工程能力指数であり、規格幅を標準偏差の6倍で割った値である。偏り度とは、製造結果の平均値に偏りが全くない場合値がゼロとなり、ずれていくほど1に近づく値である。Cpk値とは、Cpと(1-K)との積であり、値が大きいほどバラツキが少なくかつ規格中心値付近で製造されることを示す。
この例の電線送給装置も、2個の電線束から各々繰り出された電線の先端部を電線送り方向に平行に並べてクランプするとともに、これらの電線を電線送り方向に沿って送り出すものであり、図2~図5で示した電線送給装置とほぼ同様の構造を有する。ただし、ローラユニット110Aの構造が、図2~図5の電線送給装置のローラユニット110の構造と異なり、線径の太い電線に対応可能に改良されたものである。図2~図5のローラユニットと同じ作用・構成を有する部品、部位は、図2~図5と同じ符号を付す。
前後のローラ対120、120Aは各々上下のローラ121、122からなり、電線送り方向に所定の間隔を開けて配置されている。各上下ローラ121、122には、同軸上にギア123、124が固定されている。前後ローラ対120、120Aの上下ローラ121、122は、接触面が電線送り高さHとなるように設定されている。この状態で、上下ギア123、124は噛み合っていない。
トップ側ストリップ屑回収機構は、図27に示す、電線送給装置100の前面に付設された空気ノズル137と、図8に示すカット・ストリップ装置のトップ皮むき部に付設されたバキュームパイプ290とを有する。
バキュームパイプ290は、図8に示すように、トップ皮むき部220の電線送り方向前方に、前後方向に移動可能に配置されている。バキュームパイプ290の先端は、電線送り方向の前方からトップ皮むき部220の各刃の間に向かうように配置されている。
つまり、空気ノズル137とバキュームパイプ290は、トップ皮むき部220を挟んで電線送り方向において対向し、かつ、装置搬送方向にずれて配置されている。
テール側ストリップ屑回収機構は、図28に示す、テールクランプ装置300の前面に付設された空気ノズル353と、図29に示すカット・ストリップ200装置のテール皮むき部230に付設されたバキュームシュート235とを有する。
バキュームシュート235は、図29に示すように、テール皮むき部230の電線送り方向後方に配置されている。バキュームシュート235の先端には電線送り方向に開口した開口235aが形成されている。開口235aの幅は、皮むき部230の上下の刃231、232の切り込み部間の間隔よりも広い。同シュート235は、負圧源に接続されている。
この場合も、空気ノズル353とバキュームシュート235は、テール皮むき部230を挟んで電線送り方向において対向し、かつ、装置搬送方向にずれて配置されている。
図30(A)は、電線Wの先端がトップ皮むき部220で皮むきされている状態を示している。電線送給装置100のノズル135と、バキュームパイプ290は、トップ皮むき部220を挟んで対向している。そして、ノズル135から繰り出された電線Wのトップ側端部が、トップ皮むき部220で皮むきされている。皮むき後も、ストリップ屑Sはトップ皮むき部220の刃にくっついている。
このように、吸引のみでなく、空気流を吹き付けることにより、ストリップ屑が刃から離れやすくなり、確実にバキュームパイプ290に回収できる。
また、図8などで説明したように、トップ側ストリップ屑回収機構では、トップ皮むき部220の各刃に対向するように2本のバキュームパイプ290を使用したが、テール側ストリップ屑回収機構と同様に、各刃に対向する開口を有する1個のバキュームシュートとしてもよい。
図31に示すように、三線式端子圧着電線製造装置1Aも、図1等で説明した二線式端子圧着電線製造装置と同様であり、電線送給装置100Aと、カット・ストリップ装置200Aと、テールクランプ装置300Aと、トップ端子圧着装置400と、テール端子圧着装置500と、払い出し装置600Aと、備える。電線送給装置100A、カット・ストリップ装置200AA、テールクランプ装置300、払い出し装置600Aは、電線の本数(この例では3本)に対応したものであるが、トップ端子圧着装置400とテール端子圧着装置500は、図1の装置と同様に、1本の電線に対応したものである。各部、各装置の基本的な構造・作用は、図1の二線式装置と同じ構造・作用と同じであるので、詳細な説明を省略する。
電線送給装置100Aは、3個の電線束から各々繰り出された電線の先端部を電線送り方向に平行に並べてクランプするとともに、これらの電線を電線送り方向に沿って送り出すものである。同装置100Aは、ローラユニット110と、ローラユニット110の全体が上下移動可能に支持されるテーブル160と、を主に備える。さらに、テーブル160を装置搬送方向に搬送する電線送給装置搬送機構180を備える。
テールクランプ装置300Aは、クランプユニット310と、クランプユニット310が上下移動可能に支持されるクランプブラケット340と、クランプブラケット340が電線送り方向に移動可能に支持されるテーブルと、を主に備える。さらに、テーブルを装置搬送方向に搬送するテールクランプ装置搬送機構を備える。
100 電線送給装置 110 ローラユニット
120 ローラ対 160 テーブル
180 電線送給装置搬送機構
200 カット・ストリップ装置 210 切断部
220 トップ皮むき部 230 テール皮むき部
260 移動機構
300 テールクランプ装置 310 クランプユニット
320 クランプ部 340 クランプブラケット
360 テーブル 380 テールクランプ装置搬送機構
400 トップ端子圧着装置 450 沈み装置
500 テール端子圧着装置
600 払い出し装置 610 クランプユニット
620 クランプ部 650 移動機構
700 姿勢保持手段
800 傾き調整手段
Claims (21)
- 電線を送給する電線送給装置と、
該電線の先端部の被覆を皮むきするトップ皮むき装置と、
皮むきされた先端部に端子を圧着するトップ端子圧着装置と、
先端部に端子の圧着された電線を任意の長さに切断する電線切断装置と、
切断された電線の後端部を把持するテールクランプ装置と、
切断された電線の後端部の被覆を皮むきするテール皮むき装置と、
皮むきされた後端部に端子を圧着するテール端子圧着装置と、
両端に端子が圧着された電線の払い出し装置と、
を具備し、
前記電線送給装置が、並列する2本以上の電線の各々に直接接触して該電線を送る、並列配置されたローラを二組以上有し、該二組以上のローラの各々が別々のモータで駆動されることを特徴とする多線式端子圧着電線製造装置。 - 前記二組以上のローラを駆動する別々のモータの端子圧着電線一本あたりの送り回転数を微調整する個別モータ回転数微調整部が、前記端子圧着電線製造装置の操作パネルに設けられていることを特徴とする請求項1記載の多線式端子圧着電線製造装置。
- 前記トップ皮むき装置、及び、前記テール皮むき装置が、それぞれ、並列する2本以上の電線を皮むきする二組以上の皮むき具を有し、
前記電線切断装置が、並列する2本以上の電線を切断する二組以上の切断刃を有し、
前記トップ端子圧着装置、及び、前記テール端子圧着装置が、それぞれ、2本以上の電線を、一本ずつ時間をずらして処理する一組の端子圧着機を有することを特徴とする請求項1又は2記載の多線式端子圧着電線製造装置。 - 前記トップ皮むき装置、前記テール皮むき装置、及び、前記電線切断装置が、それぞれ別個に、並列に設けられていることを特徴とする請求項1又は2記載の多線式端子圧着電線製造装置。
- 前記電線送給装置が、前記トップ皮むき装置の電線クランプを兼ねることを特徴とする請求項1~4いずれか1項記載の多線式端子圧着電線製造装置。
- 前記払い出し装置が、並列に配置された二組以上のクランプ部を有し、
前記クランプ部が独立して開閉されることを特徴とする請求項1~5のいずれか1項に記載の多線式端子圧着電線製造装置。 - 製造した端子圧着電線のいずれかが不良品の場合に、該不良品をクランプしているクランプ部が、開放しないまま該不良品を把持して不良品位置へ移動し、製造装置全体が停止することを特徴とする請求項6記載の多線式端子圧着電線製造装置。
- 電線を送給する工程と、
送給された電線の先端部の被覆を皮むきするトップ皮むき工程と、
皮むきされた先端部に端子を圧着するトップ端子圧着工程と、
先端部に端子の圧着された電線を任意の長さに切断する電線切断工程と、
切断された電線の後端部の被覆を皮むきするテール皮むき工程と、
皮むきされた後端部に端子を圧着するテール端子圧着工程と、
両端に端子が圧着された電線の払い出し工程と、
を含む端子圧着電線の製造方法であって、
請求項1~7のいずれか1項に記載の端子圧着電線製造装置を用いて、
前記工程の少なくとも1以上の工程において、2本以上の電線を並列に送りながら処理することを特徴とする多線式端子圧着電線製造方法。 - 電線に直接接触して該電線を送るローラを用いて電線を送給する工程と、
送給された電線の先端部の被覆を皮むきするトップ皮むき工程と、
皮むきされた先端部に端子を圧着するトップ端子圧着工程と、
先端部に端子の圧着された電線を任意の長さに切断する電線切断工程と、
切断された電線の後端部の被覆を皮むきするテール皮むき工程と、
皮むきされた後端部に端子を圧着するテール端子圧着工程と、
両端に端子が圧着された電線の払い出し工程と、
を含む端子圧着電線の製造方法であって、
前記電線送給工程において、2本以上の電線を、別個のモータによって駆動される二組以上のローラを用いて並列に送り、
前記別個のモータの端子圧着電線一本あたりの送り回転数を微調整する個別モータ回転数微調整部を、前記端子圧着電線製造装置の操作パネルに設けておき、
同一サイズ・型番の電線を処理する場合であっても、前記個別モータ回転数微調整部を操作することにより、各ラインの端子圧着電線長さを均一化することを特徴とする端子圧着電線の製造方法。 - 並列する2本以上の電線を送給する電線送給装置であって、
並列する2本以上の電線の各々に直接接触して該電線を送る、並列配置されたローラを二組以上有し、該二組以上のローラの各々が別々のモータで駆動されることを特徴とする多線式電線送給装置。 - 前記二組以上のローラを駆動する別々のモータの回転数を微調整する個別モータ回転数微調整部が、前記電線送給装置の操作パネルに設けられていることを特徴とする請求項10記載の電線送給装置。
- 被覆の剥ぎ取られた電線の端部に端子を圧着する装置であって、
前記電線をクランプして、端子圧着工具であるクリンパとアンビルとの間に前記電線の端部を送り込むクランプ装置と、
前記クランプ装置の高さ及び左右方向位置を調整する位置調整手段と、
前記クランプ装置でクランプされた電線の端部を撮像する手段と、
前記撮像手段で撮影された前記電線端部の画像から、該電線端部が正常なクランプ姿勢かどうかを判定する手段と、
を備え、
前記画像判定手段の判定に基づいて、前記クランプ装置調整手段によって、前記電線端部が正常なクランプ姿勢となるように、前記クランプ装置の高さ及び左右方向位置を調整することを特徴とする端子圧着装置。 - さらに、前記クランプ装置の傾きを調整する傾き調整手段を備えることを特徴とする請求項12に記載の端子圧着装置。
- 前記傾き調整手段が、
前記クランプ装置から電線の先端部を案内するノズルと、
前記ノズルを保持するノズルホルダと、
前記ノズルホルダを、電線長さ方向と直交する回転軸を中心に回動可能に支持する手段と、を有し、
前記ノズルホルダを回動させることにより、前記ノズルに案内されている電線先端部の傾きを調整することを特徴とする請求項13に記載の端子圧着装置。 - 被覆の剥ぎ取られた電線の端部に端子を圧着する方法であって、
前記電線をクランプして、端子圧着工具であるクリンパとアンビルとの間に前記電線の端部を送り込む際に、
画像撮影・処理により、前記電線の端部の位置及び/又は曲がり形状を検出し、
前記クランプを位置調整及び/又は傾き調整することを特徴とする端子圧着方法。 - 前記電線送給装置の前記ローラが、前記電線を挟む一対の単位ローラからなるピンチローラであって、
さらに、このピンチローラが、一本の電線あたり、電線送り方向に2セット設けられていることを特徴とする請求項1~7いずれか1項記載の多線式端子圧着電線製造装置。 - 前記ローラが、前記電線を挟む一対の単位ローラからなるピンチローラであって、
さらに、このピンチローラが、一本の電線あたり、電線送り方向に2セット設けられていることを特徴とする請求項10又は11に記載の多線式電線送給装置。 - 電線を送給する電線送給手段と、
送給された電線を任意の長さに切断する電線切断手段と、
切断された電線の先端部を把持するトップクランプ手段と、
該電線の先端部の被覆を皮むきするトップ皮むき手段と、
皮むきされた先端部に端子を圧着するトップ端子圧着手段と、
切断された電線の後端部を把持するテールクランプ手段と、
切断された電線の後端部の被覆を皮むきするテール皮むき手段と、
皮むきされた後端部に端子を圧着するテール端子圧着手段と、
両端に端子が圧着された電線の払い出し手段と、
を具備する端子圧着電線製造装置であって、
前記皮むき手段に、皮むきされた電線被覆の屑を吸い取るダクトが付設されており、
前記クランプ手段に、前記皮むき手段に向けて空気流を吹き付ける空気ノズルが付設されていることを特徴とする端子圧着電線製造装置。 - 電線の端部を把持するクランプ手段と、
該電線の端部の被覆を皮むきする皮むき手段と、
を具備する電線皮むき装置であって、
前記クランプ手段に、前記皮むき手段に向けて空気流を吹き付ける空気ノズルが付設されており、
前記皮むき装置に、皮むきされた電線被覆の屑を吸い取るダクトが付設されていることを特徴とする電線皮むき装置。 - 前記ノズルが、電線のクランプ位置から、電線送り方向の横方向にズレた位置に配置されており、
前記クランプ手段が横方向に移動して、前記ノズルが前記皮むき手段の中心近傍に来た時点で空気流を吹くことを特徴とする請求項18記載の端子圧着電線製造装置又は請求項19記載の電線皮むき装置。 - 電線の端部の被覆を皮むきする方法であって、
電線の被覆を皮むき刃を用いて皮むきし、
前記皮むき刃に向かって空気流を吹き付けるとともに、皮むきされた電線被覆の屑を吸い取ることを特徴とする電線端部の皮むき方法。
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JP5060657B2 (ja) | 2012-10-31 |
JP4979831B2 (ja) | 2012-07-18 |
JP5765710B2 (ja) | 2015-08-19 |
CN102948022B (zh) | 2015-02-25 |
JP2012069526A (ja) | 2012-04-05 |
JPWO2011158527A1 (ja) | 2013-08-19 |
WO2011158390A1 (ja) | 2011-12-22 |
JP2012069527A (ja) | 2012-04-05 |
CN102948022A (zh) | 2013-02-27 |
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